Home / 39,397.24-59,117.94-20,928.76

Finding the Fourth Proportional to 39,397.24, 59,117.94 and 20,928.76

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Solution

The fourth proportional to 39,397.24, 59,117.94 and 20,928.76 is: 31,404.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,397.24 : 59,117.94 = 20,928.76 : x
  2. Step 2: Convert to fraction form
    39,397.24/59,117.94 = 20,928.76/x
  3. Step 3: Cross multiply
    39,397.24x = 59,117.94 × 20,928.76
  4. Step 4: Simplify right side
    39,397.24x = 1,237,265,177.95
  5. Step 5: Solve for x
    x = 1,237,265,177.95/39,397.24
  6. Step 6: Final answer
    x = 31,404.87

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1.5x scale

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.