Home / 20,752.02-31,098.87-9,040.68

Finding the Fourth Proportional to 20,752.02, 31,098.87 and 9,040.68

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Solution

The fourth proportional to 20,752.02, 31,098.87 and 9,040.68 is: 13,548.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,752.02 : 31,098.87 = 9,040.68 : x
  2. Step 2: Convert to fraction form
    20,752.02/31,098.87 = 9,040.68/x
  3. Step 3: Cross multiply
    20,752.02x = 31,098.87 × 9,040.68
  4. Step 4: Simplify right side
    20,752.02x = 281,154,932.03
  5. Step 5: Solve for x
    x = 281,154,932.03/20,752.02
  6. Step 6: Final answer
    x = 13,548.32

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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.