Home / 39,892.20-59,846.40-13,599.60

Finding the Fourth Proportional to 39,892.20, 59,846.40 and 13,599.60

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Solution

The fourth proportional to 39,892.20, 59,846.40 and 13,599.60 is: 20,402.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,892.20 : 59,846.40 = 13,599.60 : x
  2. Step 2: Convert to fraction form
    39,892.20/59,846.40 = 13,599.60/x
  3. Step 3: Cross multiply
    39,892.20x = 59,846.40 × 13,599.60
  4. Step 4: Simplify right side
    39,892.20x = 813,887,101.44
  5. Step 5: Solve for x
    x = 813,887,101.44/39,892.20
  6. Step 6: Final answer
    x = 20,402.16

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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.