Home / 42,279.84-58,337.28-25,509.60

Finding the Fourth Proportional to 42,279.84, 58,337.28 and 25,509.60

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Solution

The fourth proportional to 42,279.84, 58,337.28 and 25,509.60 is: 35,197.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,279.84 : 58,337.28 = 25,509.60 : x
  2. Step 2: Convert to fraction form
    42,279.84/58,337.28 = 25,509.60/x
  3. Step 3: Cross multiply
    42,279.84x = 58,337.28 × 25,509.60
  4. Step 4: Simplify right side
    42,279.84x = 1,488,160,677.89
  5. Step 5: Solve for x
    x = 1,488,160,677.89/42,279.84
  6. Step 6: Final answer
    x = 35,197.88

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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.