Home / 47,870.50-66,062.81-29,959.78

Finding the Fourth Proportional to 47,870.50, 66,062.81 and 29,959.78

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Solution

The fourth proportional to 47,870.50, 66,062.81 and 29,959.78 is: 41,345.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,870.50 : 66,062.81 = 29,959.78 : x
  2. Step 2: Convert to fraction form
    47,870.50/66,062.81 = 29,959.78/x
  3. Step 3: Cross multiply
    47,870.50x = 66,062.81 × 29,959.78
  4. Step 4: Simplify right side
    47,870.50x = 1,979,227,253.78
  5. Step 5: Solve for x
    x = 1,979,227,253.78/47,870.50
  6. Step 6: Final answer
    x = 41,345.45

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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.