Home / 31,423.18-47,129.41-10,363.45

Finding the Fourth Proportional to 31,423.18, 47,129.41 and 10,363.45

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Solution

The fourth proportional to 31,423.18, 47,129.41 and 10,363.45 is: 15,543.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,423.18 : 47,129.41 = 10,363.45 : x
  2. Step 2: Convert to fraction form
    31,423.18/47,129.41 = 10,363.45/x
  3. Step 3: Cross multiply
    31,423.18x = 47,129.41 × 10,363.45
  4. Step 4: Simplify right side
    31,423.18x = 488,423,284.06
  5. Step 5: Solve for x
    x = 488,423,284.06/31,423.18
  6. Step 6: Final answer
    x = 15,543.41

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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.