Home / 42,122.66-58,126.88-25,146.07

Finding the Fourth Proportional to 42,122.66, 58,126.88 and 25,146.07

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Solution

The fourth proportional to 42,122.66, 58,126.88 and 25,146.07 is: 34,700.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.66 : 58,126.88 = 25,146.07 : x
  2. Step 2: Convert to fraction form
    42,122.66/58,126.88 = 25,146.07/x
  3. Step 3: Cross multiply
    42,122.66x = 58,126.88 × 25,146.07
  4. Step 4: Simplify right side
    42,122.66x = 1,461,662,510.91
  5. Step 5: Solve for x
    x = 1,461,662,510.91/42,122.66
  6. Step 6: Final answer
    x = 34,700.15

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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.