Home / 31,453.09-47,131.17-14,575.68

Finding the Fourth Proportional to 31,453.09, 47,131.17 and 14,575.68

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Solution

The fourth proportional to 31,453.09, 47,131.17 and 14,575.68 is: 21,841.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,453.09 : 47,131.17 = 14,575.68 : x
  2. Step 2: Convert to fraction form
    31,453.09/47,131.17 = 14,575.68/x
  3. Step 3: Cross multiply
    31,453.09x = 47,131.17 × 14,575.68
  4. Step 4: Simplify right side
    31,453.09x = 686,968,851.95
  5. Step 5: Solve for x
    x = 686,968,851.95/31,453.09
  6. Step 6: Final answer
    x = 21,841.06

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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.