Home / 66,913.02-100,384.38-20,162.52

Finding the Fourth Proportional to 66,913.02, 100,384.38 and 20,162.52

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Solution

The fourth proportional to 66,913.02, 100,384.38 and 20,162.52 is: 30,248.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    66,913.02 : 100,384.38 = 20,162.52 : x
  2. Step 2: Convert to fraction form
    66,913.02/100,384.38 = 20,162.52/x
  3. Step 3: Cross multiply
    66,913.02x = 100,384.38 × 20,162.52
  4. Step 4: Simplify right side
    66,913.02x = 2,024,002,069.44
  5. Step 5: Solve for x
    x = 2,024,002,069.44/66,913.02
  6. Step 6: Final answer
    x = 30,248.25

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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.