Home / 31,040.87-42,835.50-17,613.36

Finding the Fourth Proportional to 31,040.87, 42,835.50 and 17,613.36

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Solution

The fourth proportional to 31,040.87, 42,835.50 and 17,613.36 is: 24,305.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,040.87 : 42,835.50 = 17,613.36 : x
  2. Step 2: Convert to fraction form
    31,040.87/42,835.50 = 17,613.36/x
  3. Step 3: Cross multiply
    31,040.87x = 42,835.50 × 17,613.36
  4. Step 4: Simplify right side
    31,040.87x = 754,477,082.28
  5. Step 5: Solve for x
    x = 754,477,082.28/31,040.87
  6. Step 6: Final answer
    x = 24,305.93

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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.