Home / 38,306.02-57,459.02-12,012.78

Finding the Fourth Proportional to 38,306.02, 57,459.02 and 12,012.78

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Solution

The fourth proportional to 38,306.02, 57,459.02 and 12,012.78 is: 18,019.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,306.02 : 57,459.02 = 12,012.78 : x
  2. Step 2: Convert to fraction form
    38,306.02/57,459.02 = 12,012.78/x
  3. Step 3: Cross multiply
    38,306.02x = 57,459.02 × 12,012.78
  4. Step 4: Simplify right side
    38,306.02x = 690,242,566.28
  5. Step 5: Solve for x
    x = 690,242,566.28/38,306.02
  6. Step 6: Final answer
    x = 18,019.17

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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.