Home / 52,631.61-72,632.12-28,758.28

Finding the Fourth Proportional to 52,631.61, 72,632.12 and 28,758.28

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Solution

The fourth proportional to 52,631.61, 72,632.12 and 28,758.28 is: 39,686.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.61 : 72,632.12 = 28,758.28 : x
  2. Step 2: Convert to fraction form
    52,631.61/72,632.12 = 28,758.28/x
  3. Step 3: Cross multiply
    52,631.61x = 72,632.12 × 28,758.28
  4. Step 4: Simplify right side
    52,631.61x = 2,088,774,843.95
  5. Step 5: Solve for x
    x = 2,088,774,843.95/52,631.61
  6. Step 6: Final answer
    x = 39,686.70

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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.