Home / 31,983.60-47,975.36-8,610.06

Finding the Fourth Proportional to 31,983.60, 47,975.36 and 8,610.06

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Solution

The fourth proportional to 31,983.60, 47,975.36 and 8,610.06 is: 12,915.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,983.60 : 47,975.36 = 8,610.06 : x
  2. Step 2: Convert to fraction form
    31,983.60/47,975.36 = 8,610.06/x
  3. Step 3: Cross multiply
    31,983.60x = 47,975.36 × 8,610.06
  4. Step 4: Simplify right side
    31,983.60x = 413,070,685.07
  5. Step 5: Solve for x
    x = 413,070,685.07/31,983.60
  6. Step 6: Final answer
    x = 12,915.08

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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.