Home / 40,421.03-60,638.30-18,233.92

Finding the Fourth Proportional to 40,421.03, 60,638.30 and 18,233.92

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Solution

The fourth proportional to 40,421.03, 60,638.30 and 18,233.92 is: 27,353.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,421.03 : 60,638.30 = 18,233.92 : x
  2. Step 2: Convert to fraction form
    40,421.03/60,638.30 = 18,233.92/x
  3. Step 3: Cross multiply
    40,421.03x = 60,638.30 × 18,233.92
  4. Step 4: Simplify right side
    40,421.03x = 1,105,673,911.14
  5. Step 5: Solve for x
    x = 1,105,673,911.14/40,421.03
  6. Step 6: Final answer
    x = 27,353.93

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1.5x scale

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.