Home / 39,962.40-59,943.60-27,520.80

Finding the Fourth Proportional to 39,962.40, 59,943.60 and 27,520.80

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Solution

The fourth proportional to 39,962.40, 59,943.60 and 27,520.80 is: 41,281.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,962.40 : 59,943.60 = 27,520.80 : x
  2. Step 2: Convert to fraction form
    39,962.40/59,943.60 = 27,520.80/x
  3. Step 3: Cross multiply
    39,962.40x = 59,943.60 × 27,520.80
  4. Step 4: Simplify right side
    39,962.40x = 1,649,695,826.88
  5. Step 5: Solve for x
    x = 1,649,695,826.88/39,962.40
  6. Step 6: Final answer
    x = 41,281.20

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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.