Home / 42,220.57-58,261.76-23,357.69

Finding the Fourth Proportional to 42,220.57, 58,261.76 and 23,357.69

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Solution

The fourth proportional to 42,220.57, 58,261.76 and 23,357.69 is: 32,232.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.57 : 58,261.76 = 23,357.69 : x
  2. Step 2: Convert to fraction form
    42,220.57/58,261.76 = 23,357.69/x
  3. Step 3: Cross multiply
    42,220.57x = 58,261.76 × 23,357.69
  4. Step 4: Simplify right side
    42,220.57x = 1,360,860,245.39
  5. Step 5: Solve for x
    x = 1,360,860,245.39/42,220.57
  6. Step 6: Final answer
    x = 32,232.16

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Half scale
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Double scale
Find fourth proportional to 42,221.57, 58,263.14 and 23,358.69
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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.