Home / 38,840.88-58,262.60-10,761.20

Finding the Fourth Proportional to 38,840.88, 58,262.60 and 10,761.20

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Solution

The fourth proportional to 38,840.88, 58,262.60 and 10,761.20 is: 16,142.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,840.88 : 58,262.60 = 10,761.20 : x
  2. Step 2: Convert to fraction form
    38,840.88/58,262.60 = 10,761.20/x
  3. Step 3: Cross multiply
    38,840.88x = 58,262.60 × 10,761.20
  4. Step 4: Simplify right side
    38,840.88x = 626,975,491.12
  5. Step 5: Solve for x
    x = 626,975,491.12/38,840.88
  6. Step 6: Final answer
    x = 16,142.15

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.