Home / 31,799.10-47,699.09-9,612.66

Finding the Fourth Proportional to 31,799.10, 47,699.09 and 9,612.66

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Solution

The fourth proportional to 31,799.10, 47,699.09 and 9,612.66 is: 14,419.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,799.10 : 47,699.09 = 9,612.66 : x
  2. Step 2: Convert to fraction form
    31,799.10/47,699.09 = 9,612.66/x
  3. Step 3: Cross multiply
    31,799.10x = 47,699.09 × 9,612.66
  4. Step 4: Simplify right side
    31,799.10x = 458,515,134.48
  5. Step 5: Solve for x
    x = 458,515,134.48/31,799.10
  6. Step 6: Final answer
    x = 14,419.12

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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.