Home / 40,108.74-60,168.26-18,746.53

Finding the Fourth Proportional to 40,108.74, 60,168.26 and 18,746.53

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Solution

The fourth proportional to 40,108.74, 60,168.26 and 18,746.53 is: 28,122.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,108.74 : 60,168.26 = 18,746.53 : x
  2. Step 2: Convert to fraction form
    40,108.74/60,168.26 = 18,746.53/x
  3. Step 3: Cross multiply
    40,108.74x = 60,168.26 × 18,746.53
  4. Step 4: Simplify right side
    40,108.74x = 1,127,946,091.14
  5. Step 5: Solve for x
    x = 1,127,946,091.14/40,108.74
  6. Step 6: Final answer
    x = 28,122.20

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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.