Home / 31,728.32-47,592.96-12,016.16

Finding the Fourth Proportional to 31,728.32, 47,592.96 and 12,016.16

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Solution

The fourth proportional to 31,728.32, 47,592.96 and 12,016.16 is: 18,024.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,728.32 : 47,592.96 = 12,016.16 : x
  2. Step 2: Convert to fraction form
    31,728.32/47,592.96 = 12,016.16/x
  3. Step 3: Cross multiply
    31,728.32x = 47,592.96 × 12,016.16
  4. Step 4: Simplify right side
    31,728.32x = 571,884,622.23
  5. Step 5: Solve for x
    x = 571,884,622.23/31,728.32
  6. Step 6: Final answer
    x = 18,024.42

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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.