Home / 47,915.31-66,097.11-30,006.81

Finding the Fourth Proportional to 47,915.31, 66,097.11 and 30,006.81

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Solution

The fourth proportional to 47,915.31, 66,097.11 and 30,006.81 is: 41,393.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,915.31 : 66,097.11 = 30,006.81 : x
  2. Step 2: Convert to fraction form
    47,915.31/66,097.11 = 30,006.81/x
  3. Step 3: Cross multiply
    47,915.31x = 66,097.11 × 30,006.81
  4. Step 4: Simplify right side
    47,915.31x = 1,983,363,421.32
  5. Step 5: Solve for x
    x = 1,983,363,421.32/47,915.31
  6. Step 6: Final answer
    x = 41,393.10

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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.