Home / 56,209.42-77,566.62-30,715.18

Finding the Fourth Proportional to 56,209.42, 77,566.62 and 30,715.18

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Solution

The fourth proportional to 56,209.42, 77,566.62 and 30,715.18 is: 42,385.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,209.42 : 77,566.62 = 30,715.18 : x
  2. Step 2: Convert to fraction form
    56,209.42/77,566.62 = 30,715.18/x
  3. Step 3: Cross multiply
    56,209.42x = 77,566.62 × 30,715.18
  4. Step 4: Simplify right side
    56,209.42x = 2,382,472,695.29
  5. Step 5: Solve for x
    x = 2,382,472,695.29/56,209.42
  6. Step 6: Final answer
    x = 42,385.65

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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.