Home / 42,239.90-58,285.28-25,240.55

Finding the Fourth Proportional to 42,239.90, 58,285.28 and 25,240.55

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Solution

The fourth proportional to 42,239.90, 58,285.28 and 25,240.55 is: 34,828.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,239.90 : 58,285.28 = 25,240.55 : x
  2. Step 2: Convert to fraction form
    42,239.90/58,285.28 = 25,240.55/x
  3. Step 3: Cross multiply
    42,239.90x = 58,285.28 × 25,240.55
  4. Step 4: Simplify right side
    42,239.90x = 1,471,152,106.47
  5. Step 5: Solve for x
    x = 1,471,152,106.47/42,239.90
  6. Step 6: Final answer
    x = 34,828.50

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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.