Home / 39,451.20-59,176.80-9,869.04

Finding the Fourth Proportional to 39,451.20, 59,176.80 and 9,869.04

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Solution

The fourth proportional to 39,451.20, 59,176.80 and 9,869.04 is: 14,803.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,451.20 : 59,176.80 = 9,869.04 : x
  2. Step 2: Convert to fraction form
    39,451.20/59,176.80 = 9,869.04/x
  3. Step 3: Cross multiply
    39,451.20x = 59,176.80 × 9,869.04
  4. Step 4: Simplify right side
    39,451.20x = 584,018,206.27
  5. Step 5: Solve for x
    x = 584,018,206.27/39,451.20
  6. Step 6: Final answer
    x = 14,803.56

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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.