Home / 31,389.48-47,060.46-15,600.96

Finding the Fourth Proportional to 31,389.48, 47,060.46 and 15,600.96

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Solution

The fourth proportional to 31,389.48, 47,060.46 and 15,600.96 is: 23,389.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,389.48 : 47,060.46 = 15,600.96 : x
  2. Step 2: Convert to fraction form
    31,389.48/47,060.46 = 15,600.96/x
  3. Step 3: Cross multiply
    31,389.48x = 47,060.46 × 15,600.96
  4. Step 4: Simplify right side
    31,389.48x = 734,188,354.04
  5. Step 5: Solve for x
    x = 734,188,354.04/31,389.48
  6. Step 6: Final answer
    x = 23,389.63

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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.