Home / 40,213.54-60,281.10-19,147.93

Finding the Fourth Proportional to 40,213.54, 60,281.10 and 19,147.93

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Solution

The fourth proportional to 40,213.54, 60,281.10 and 19,147.93 is: 28,703.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,213.54 : 60,281.10 = 19,147.93 : x
  2. Step 2: Convert to fraction form
    40,213.54/60,281.10 = 19,147.93/x
  3. Step 3: Cross multiply
    40,213.54x = 60,281.10 × 19,147.93
  4. Step 4: Simplify right side
    40,213.54x = 1,154,258,132.42
  5. Step 5: Solve for x
    x = 1,154,258,132.42/40,213.54
  6. Step 6: Final answer
    x = 28,703.22

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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.