Home / 60,074.02-90,124.72-31,979.27

Finding the Fourth Proportional to 60,074.02, 90,124.72 and 31,979.27

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Solution

The fourth proportional to 60,074.02, 90,124.72 and 31,979.27 is: 47,976.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,074.02 : 90,124.72 = 31,979.27 : x
  2. Step 2: Convert to fraction form
    60,074.02/90,124.72 = 31,979.27/x
  3. Step 3: Cross multiply
    60,074.02x = 90,124.72 × 31,979.27
  4. Step 4: Simplify right side
    60,074.02x = 2,882,122,754.55
  5. Step 5: Solve for x
    x = 2,882,122,754.55/60,074.02
  6. Step 6: Final answer
    x = 47,976.19

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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.