Home / 47,951.88-66,182.22-30,062.40

Finding the Fourth Proportional to 47,951.88, 66,182.22 and 30,062.40

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Solution

The fourth proportional to 47,951.88, 66,182.22 and 30,062.40 is: 41,491.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,951.88 : 66,182.22 = 30,062.40 : x
  2. Step 2: Convert to fraction form
    47,951.88/66,182.22 = 30,062.40/x
  3. Step 3: Cross multiply
    47,951.88x = 66,182.22 × 30,062.40
  4. Step 4: Simplify right side
    47,951.88x = 1,989,596,370.53
  5. Step 5: Solve for x
    x = 1,989,596,370.53/47,951.88
  6. Step 6: Final answer
    x = 41,491.52

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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.