Home / 31,437.67-43,384.51-18,010.10

Finding the Fourth Proportional to 31,437.67, 43,384.51 and 18,010.10

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Solution

The fourth proportional to 31,437.67, 43,384.51 and 18,010.10 is: 24,854.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,437.67 : 43,384.51 = 18,010.10 : x
  2. Step 2: Convert to fraction form
    31,437.67/43,384.51 = 18,010.10/x
  3. Step 3: Cross multiply
    31,437.67x = 43,384.51 × 18,010.10
  4. Step 4: Simplify right side
    31,437.67x = 781,359,363.55
  5. Step 5: Solve for x
    x = 781,359,363.55/31,437.67
  6. Step 6: Final answer
    x = 24,854.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.