Home / 31,339.41-47,010.17-10,279.91

Finding the Fourth Proportional to 31,339.41, 47,010.17 and 10,279.91

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Solution

The fourth proportional to 31,339.41, 47,010.17 and 10,279.91 is: 15,420.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,339.41 : 47,010.17 = 10,279.91 : x
  2. Step 2: Convert to fraction form
    31,339.41/47,010.17 = 10,279.91/x
  3. Step 3: Cross multiply
    31,339.41x = 47,010.17 × 10,279.91
  4. Step 4: Simplify right side
    31,339.41x = 483,260,459.91
  5. Step 5: Solve for x
    x = 483,260,459.91/31,339.41
  6. Step 6: Final answer
    x = 15,420.22

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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.