Home / 31,400.18-47,100.54-9,213.92

Finding the Fourth Proportional to 31,400.18, 47,100.54 and 9,213.92

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Solution

The fourth proportional to 31,400.18, 47,100.54 and 9,213.92 is: 13,820.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,400.18 : 47,100.54 = 9,213.92 : x
  2. Step 2: Convert to fraction form
    31,400.18/47,100.54 = 9,213.92/x
  3. Step 3: Cross multiply
    31,400.18x = 47,100.54 × 9,213.92
  4. Step 4: Simplify right side
    31,400.18x = 433,980,607.52
  5. Step 5: Solve for x
    x = 433,980,607.52/31,400.18
  6. Step 6: Final answer
    x = 13,820.96

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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.