Home / 52,630.02-72,630.47-28,758.17

Finding the Fourth Proportional to 52,630.02, 72,630.47 and 28,758.17

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Solution

The fourth proportional to 52,630.02, 72,630.47 and 28,758.17 is: 39,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,630.02 : 72,630.47 = 28,758.17 : x
  2. Step 2: Convert to fraction form
    52,630.02/72,630.47 = 28,758.17/x
  3. Step 3: Cross multiply
    52,630.02x = 72,630.47 × 28,758.17
  4. Step 4: Simplify right side
    52,630.02x = 2,088,719,656.91
  5. Step 5: Solve for x
    x = 2,088,719,656.91/52,630.02
  6. Step 6: Final answer
    x = 39,686.85

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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.