Home / 56,297.05-77,695.19-31,154.65

Finding the Fourth Proportional to 56,297.05, 77,695.19 and 31,154.65

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Solution

The fourth proportional to 56,297.05, 77,695.19 and 31,154.65 is: 42,996.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,297.05 : 77,695.19 = 31,154.65 : x
  2. Step 2: Convert to fraction form
    56,297.05/77,695.19 = 31,154.65/x
  3. Step 3: Cross multiply
    56,297.05x = 77,695.19 × 31,154.65
  4. Step 4: Simplify right side
    56,297.05x = 2,420,566,451.13
  5. Step 5: Solve for x
    x = 2,420,566,451.13/56,297.05
  6. Step 6: Final answer
    x = 42,996.33

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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.