Home / 42,130.92-58,135.07-25,137.12

Finding the Fourth Proportional to 42,130.92, 58,135.07 and 25,137.12

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Solution

The fourth proportional to 42,130.92, 58,135.07 and 25,137.12 is: 34,685.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,130.92 : 58,135.07 = 25,137.12 : x
  2. Step 2: Convert to fraction form
    42,130.92/58,135.07 = 25,137.12/x
  3. Step 3: Cross multiply
    42,130.92x = 58,135.07 × 25,137.12
  4. Step 4: Simplify right side
    42,130.92x = 1,461,348,105.11
  5. Step 5: Solve for x
    x = 1,461,348,105.11/42,130.92
  6. Step 6: Final answer
    x = 34,685.88

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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.