Home / 42,309.84-58,382.76-23,442.16

Finding the Fourth Proportional to 42,309.84, 58,382.76 and 23,442.16

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Solution

The fourth proportional to 42,309.84, 58,382.76 and 23,442.16 is: 32,347.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,309.84 : 58,382.76 = 23,442.16 : x
  2. Step 2: Convert to fraction form
    42,309.84/58,382.76 = 23,442.16/x
  3. Step 3: Cross multiply
    42,309.84x = 58,382.76 × 23,442.16
  4. Step 4: Simplify right side
    42,309.84x = 1,368,618,001.16
  5. Step 5: Solve for x
    x = 1,368,618,001.16/42,309.84
  6. Step 6: Final answer
    x = 32,347.51

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Double scale
Find fourth proportional to 42,310.84, 58,384.14 and 23,443.16
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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.