Home / 56,170.08-77,512.68-31,019.04

Finding the Fourth Proportional to 56,170.08, 77,512.68 and 31,019.04

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Solution

The fourth proportional to 56,170.08, 77,512.68 and 31,019.04 is: 42,805.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,170.08 : 77,512.68 = 31,019.04 : x
  2. Step 2: Convert to fraction form
    56,170.08/77,512.68 = 31,019.04/x
  3. Step 3: Cross multiply
    56,170.08x = 77,512.68 × 31,019.04
  4. Step 4: Simplify right side
    56,170.08x = 2,404,368,921.43
  5. Step 5: Solve for x
    x = 2,404,368,921.43/56,170.08
  6. Step 6: Final answer
    x = 42,805.15

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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.