Home / 39,611.52-54,663.24-23,686.92

Finding the Fourth Proportional to 39,611.52, 54,663.24 and 23,686.92

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Solution

The fourth proportional to 39,611.52, 54,663.24 and 23,686.92 is: 32,687.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,611.52 : 54,663.24 = 23,686.92 : x
  2. Step 2: Convert to fraction form
    39,611.52/54,663.24 = 23,686.92/x
  3. Step 3: Cross multiply
    39,611.52x = 54,663.24 × 23,686.92
  4. Step 4: Simplify right side
    39,611.52x = 1,294,803,792.82
  5. Step 5: Solve for x
    x = 1,294,803,792.82/39,611.52
  6. Step 6: Final answer
    x = 32,687.56

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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.