Home / 31,569.17-47,293.02-19,727.60

Finding the Fourth Proportional to 31,569.17, 47,293.02 and 19,727.60

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Solution

The fourth proportional to 31,569.17, 47,293.02 and 19,727.60 is: 29,553.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,569.17 : 47,293.02 = 19,727.60 : x
  2. Step 2: Convert to fraction form
    31,569.17/47,293.02 = 19,727.60/x
  3. Step 3: Cross multiply
    31,569.17x = 47,293.02 × 19,727.60
  4. Step 4: Simplify right side
    31,569.17x = 932,977,899.58
  5. Step 5: Solve for x
    x = 932,977,899.58/31,569.17
  6. Step 6: Final answer
    x = 29,553.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.