Home / 52,631.32-72,631.04-28,758.19

Finding the Fourth Proportional to 52,631.32, 72,631.04 and 28,758.19

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Solution

The fourth proportional to 52,631.32, 72,631.04 and 28,758.19 is: 39,686.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,631.32 : 72,631.04 = 28,758.19 : x
  2. Step 2: Convert to fraction form
    52,631.32/72,631.04 = 28,758.19/x
  3. Step 3: Cross multiply
    52,631.32x = 72,631.04 × 28,758.19
  4. Step 4: Simplify right side
    52,631.32x = 2,088,737,138.54
  5. Step 5: Solve for x
    x = 2,088,737,138.54/52,631.32
  6. Step 6: Final answer
    x = 39,686.20

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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.