Home / 47,557.02-65,607.51-28,425.66

Finding the Fourth Proportional to 47,557.02, 65,607.51 and 28,425.66

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Solution

The fourth proportional to 47,557.02, 65,607.51 and 28,425.66 is: 39,214.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,557.02 : 65,607.51 = 28,425.66 : x
  2. Step 2: Convert to fraction form
    47,557.02/65,607.51 = 28,425.66/x
  3. Step 3: Cross multiply
    47,557.02x = 65,607.51 × 28,425.66
  4. Step 4: Simplify right side
    47,557.02x = 1,864,936,772.71
  5. Step 5: Solve for x
    x = 1,864,936,772.71/47,557.02
  6. Step 6: Final answer
    x = 39,214.75

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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.