Home / 31,501.13-43,471.23-17,353.67

Finding the Fourth Proportional to 31,501.13, 43,471.23 and 17,353.67

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Solution

The fourth proportional to 31,501.13, 43,471.23 and 17,353.67 is: 23,947.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,501.13 : 43,471.23 = 17,353.67 : x
  2. Step 2: Convert to fraction form
    31,501.13/43,471.23 = 17,353.67/x
  3. Step 3: Cross multiply
    31,501.13x = 43,471.23 × 17,353.67
  4. Step 4: Simplify right side
    31,501.13x = 754,385,379.91
  5. Step 5: Solve for x
    x = 754,385,379.91/31,501.13
  6. Step 6: Final answer
    x = 23,947.88

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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.