Home / 42,607.70-58,780.10-25,370.42

Finding the Fourth Proportional to 42,607.70, 58,780.10 and 25,370.42

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Solution

The fourth proportional to 42,607.70, 58,780.10 and 25,370.42 is: 35,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,607.70 : 58,780.10 = 25,370.42 : x
  2. Step 2: Convert to fraction form
    42,607.70/58,780.10 = 25,370.42/x
  3. Step 3: Cross multiply
    42,607.70x = 58,780.10 × 25,370.42
  4. Step 4: Simplify right side
    42,607.70x = 1,491,275,824.64
  5. Step 5: Solve for x
    x = 1,491,275,824.64/42,607.70
  6. Step 6: Final answer
    x = 35,000.15

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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.