Home / 42,170.64-58,191.12-23,305.20

Finding the Fourth Proportional to 42,170.64, 58,191.12 and 23,305.20

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Solution

The fourth proportional to 42,170.64, 58,191.12 and 23,305.20 is: 32,158.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,170.64 : 58,191.12 = 23,305.20 : x
  2. Step 2: Convert to fraction form
    42,170.64/58,191.12 = 23,305.20/x
  3. Step 3: Cross multiply
    42,170.64x = 58,191.12 × 23,305.20
  4. Step 4: Simplify right side
    42,170.64x = 1,356,155,689.82
  5. Step 5: Solve for x
    x = 1,356,155,689.82/42,170.64
  6. Step 6: Final answer
    x = 32,158.76

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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.