Home / 37,400.27-51,617.16-21,487.79

Finding the Fourth Proportional to 37,400.27, 51,617.16 and 21,487.79

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Solution

The fourth proportional to 37,400.27, 51,617.16 and 21,487.79 is: 29,655.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,400.27 : 51,617.16 = 21,487.79 : x
  2. Step 2: Convert to fraction form
    37,400.27/51,617.16 = 21,487.79/x
  3. Step 3: Cross multiply
    37,400.27x = 51,617.16 × 21,487.79
  4. Step 4: Simplify right side
    37,400.27x = 1,109,138,823.52
  5. Step 5: Solve for x
    x = 1,109,138,823.52/37,400.27
  6. Step 6: Final answer
    x = 29,655.91

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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.