Home / 42,172.13-58,159.85-34,990.68

Finding the Fourth Proportional to 42,172.13, 58,159.85 and 34,990.68

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Solution

The fourth proportional to 42,172.13, 58,159.85 and 34,990.68 is: 48,255.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,172.13 : 58,159.85 = 34,990.68 : x
  2. Step 2: Convert to fraction form
    42,172.13/58,159.85 = 34,990.68/x
  3. Step 3: Cross multiply
    42,172.13x = 58,159.85 × 34,990.68
  4. Step 4: Simplify right side
    42,172.13x = 2,035,052,700.20
  5. Step 5: Solve for x
    x = 2,035,052,700.20/42,172.13
  6. Step 6: Final answer
    x = 48,255.87

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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.