Home / 42,121.63-58,127.64-23,258.76

Finding the Fourth Proportional to 42,121.63, 58,127.64 and 23,258.76

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Solution

The fourth proportional to 42,121.63, 58,127.64 and 23,258.76 is: 32,096.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,121.63 : 58,127.64 = 23,258.76 : x
  2. Step 2: Convert to fraction form
    42,121.63/58,127.64 = 23,258.76/x
  3. Step 3: Cross multiply
    42,121.63x = 58,127.64 × 23,258.76
  4. Step 4: Simplify right side
    42,121.63x = 1,351,976,828.13
  5. Step 5: Solve for x
    x = 1,351,976,828.13/42,121.63
  6. Step 6: Final answer
    x = 32,096.97

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Half scale
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Double scale
Find fourth proportional to 42,122.63, 58,129.02 and 23,259.76
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.