Home / 47,943.60-66,119.08-30,040.52

Finding the Fourth Proportional to 47,943.60, 66,119.08 and 30,040.52

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Solution

The fourth proportional to 47,943.60, 66,119.08 and 30,040.52 is: 41,428.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,943.60 : 66,119.08 = 30,040.52 : x
  2. Step 2: Convert to fraction form
    47,943.60/66,119.08 = 30,040.52/x
  3. Step 3: Cross multiply
    47,943.60x = 66,119.08 × 30,040.52
  4. Step 4: Simplify right side
    47,943.60x = 1,986,251,545.12
  5. Step 5: Solve for x
    x = 1,986,251,545.12/47,943.60
  6. Step 6: Final answer
    x = 41,428.92

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.