Home / 39,360.86-54,315.27-22,135.80

Finding the Fourth Proportional to 39,360.86, 54,315.27 and 22,135.80

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Solution

The fourth proportional to 39,360.86, 54,315.27 and 22,135.80 is: 30,545.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,360.86 : 54,315.27 = 22,135.80 : x
  2. Step 2: Convert to fraction form
    39,360.86/54,315.27 = 22,135.80/x
  3. Step 3: Cross multiply
    39,360.86x = 54,315.27 × 22,135.80
  4. Step 4: Simplify right side
    39,360.86x = 1,202,311,666.97
  5. Step 5: Solve for x
    x = 1,202,311,666.97/39,360.86
  6. Step 6: Final answer
    x = 30,545.87

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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.