Home / 39,209.40-54,120-32,152.68

Finding the Fourth Proportional to 39,209.40, 54,120 and 32,152.68

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Solution

The fourth proportional to 39,209.40, 54,120 and 32,152.68 is: 44,379.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,209.40 : 54,120 = 32,152.68 : x
  2. Step 2: Convert to fraction form
    39,209.40/54,120 = 32,152.68/x
  3. Step 3: Cross multiply
    39,209.40x = 54,120 × 32,152.68
  4. Step 4: Simplify right side
    39,209.40x = 1,740,103,041.60
  5. Step 5: Solve for x
    x = 1,740,103,041.60/39,209.40
  6. Step 6: Final answer
    x = 44,379.74

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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.