Home / 56,158.08-77,496.12-31,007.04

Finding the Fourth Proportional to 56,158.08, 77,496.12 and 31,007.04

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Solution

The fourth proportional to 56,158.08, 77,496.12 and 31,007.04 is: 42,788.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,158.08 : 77,496.12 = 31,007.04 : x
  2. Step 2: Convert to fraction form
    56,158.08/77,496.12 = 31,007.04/x
  3. Step 3: Cross multiply
    56,158.08x = 77,496.12 × 31,007.04
  4. Step 4: Simplify right side
    56,158.08x = 2,402,925,292.68
  5. Step 5: Solve for x
    x = 2,402,925,292.68/56,158.08
  6. Step 6: Final answer
    x = 42,788.59

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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.