Home / 39,782.55-59,674.50-13,487.97

Finding the Fourth Proportional to 39,782.55, 59,674.50 and 13,487.97

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Solution

The fourth proportional to 39,782.55, 59,674.50 and 13,487.97 is: 20,232.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,782.55 : 59,674.50 = 13,487.97 : x
  2. Step 2: Convert to fraction form
    39,782.55/59,674.50 = 13,487.97/x
  3. Step 3: Cross multiply
    39,782.55x = 59,674.50 × 13,487.97
  4. Step 4: Simplify right side
    39,782.55x = 804,887,865.77
  5. Step 5: Solve for x
    x = 804,887,865.77/39,782.55
  6. Step 6: Final answer
    x = 20,232.18

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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.