Home / 31,586.50-47,363.89-10,519.10

Finding the Fourth Proportional to 31,586.50, 47,363.89 and 10,519.10

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Solution

The fourth proportional to 31,586.50, 47,363.89 and 10,519.10 is: 15,773.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,586.50 : 47,363.89 = 10,519.10 : x
  2. Step 2: Convert to fraction form
    31,586.50/47,363.89 = 10,519.10/x
  3. Step 3: Cross multiply
    31,586.50x = 47,363.89 × 10,519.10
  4. Step 4: Simplify right side
    31,586.50x = 498,225,495.30
  5. Step 5: Solve for x
    x = 498,225,495.30/31,586.50
  6. Step 6: Final answer
    x = 15,773.37

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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.