Home / 40,386.20-60,615.30-23,725.40

Finding the Fourth Proportional to 40,386.20, 60,615.30 and 23,725.40

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Solution

The fourth proportional to 40,386.20, 60,615.30 and 23,725.40 is: 35,609.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,386.20 : 60,615.30 = 23,725.40 : x
  2. Step 2: Convert to fraction form
    40,386.20/60,615.30 = 23,725.40/x
  3. Step 3: Cross multiply
    40,386.20x = 60,615.30 × 23,725.40
  4. Step 4: Simplify right side
    40,386.20x = 1,438,122,238.62
  5. Step 5: Solve for x
    x = 1,438,122,238.62/40,386.20
  6. Step 6: Final answer
    x = 35,609.25

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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.