Home / 40,386.30-60,579.45-25,611.90

Finding the Fourth Proportional to 40,386.30, 60,579.45 and 25,611.90

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Solution

The fourth proportional to 40,386.30, 60,579.45 and 25,611.90 is: 38,417.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.30 : 60,579.45 = 25,611.90 : x
  2. Step 2: Convert to fraction form
    40,386.30/60,579.45 = 25,611.90/x
  3. Step 3: Cross multiply
    40,386.30x = 60,579.45 × 25,611.90
  4. Step 4: Simplify right side
    40,386.30x = 1,551,554,815.46
  5. Step 5: Solve for x
    x = 1,551,554,815.46/40,386.30
  6. Step 6: Final answer
    x = 38,417.85

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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.