Home / 39,967.20-59,979.60-16,610.40

Finding the Fourth Proportional to 39,967.20, 59,979.60 and 16,610.40

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Solution

The fourth proportional to 39,967.20, 59,979.60 and 16,610.40 is: 24,927.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,967.20 : 59,979.60 = 16,610.40 : x
  2. Step 2: Convert to fraction form
    39,967.20/59,979.60 = 16,610.40/x
  3. Step 3: Cross multiply
    39,967.20x = 59,979.60 × 16,610.40
  4. Step 4: Simplify right side
    39,967.20x = 996,285,147.84
  5. Step 5: Solve for x
    x = 996,285,147.84/39,967.20
  6. Step 6: Final answer
    x = 24,927.57

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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.