Home / 40,103.22-60,154.56-31,345.50

Finding the Fourth Proportional to 40,103.22, 60,154.56 and 31,345.50

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Solution

The fourth proportional to 40,103.22, 60,154.56 and 31,345.50 is: 47,018.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,103.22 : 60,154.56 = 31,345.50 : x
  2. Step 2: Convert to fraction form
    40,103.22/60,154.56 = 31,345.50/x
  3. Step 3: Cross multiply
    40,103.22x = 60,154.56 × 31,345.50
  4. Step 4: Simplify right side
    40,103.22x = 1,885,574,760.48
  5. Step 5: Solve for x
    x = 1,885,574,760.48/40,103.22
  6. Step 6: Final answer
    x = 47,018.04

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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.