Home / 40,402.86-60,630.24-19,615.02

Finding the Fourth Proportional to 40,402.86, 60,630.24 and 19,615.02

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Solution

The fourth proportional to 40,402.86, 60,630.24 and 19,615.02 is: 29,435.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,402.86 : 60,630.24 = 19,615.02 : x
  2. Step 2: Convert to fraction form
    40,402.86/60,630.24 = 19,615.02/x
  3. Step 3: Cross multiply
    40,402.86x = 60,630.24 × 19,615.02
  4. Step 4: Simplify right side
    40,402.86x = 1,189,263,370.20
  5. Step 5: Solve for x
    x = 1,189,263,370.20/40,402.86
  6. Step 6: Final answer
    x = 29,435.13

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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.