Home / 40,233.18-60,348.74-19,188.10

Finding the Fourth Proportional to 40,233.18, 60,348.74 and 19,188.10

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Solution

The fourth proportional to 40,233.18, 60,348.74 and 19,188.10 is: 28,781.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,233.18 : 60,348.74 = 19,188.10 : x
  2. Step 2: Convert to fraction form
    40,233.18/60,348.74 = 19,188.10/x
  3. Step 3: Cross multiply
    40,233.18x = 60,348.74 × 19,188.10
  4. Step 4: Simplify right side
    40,233.18x = 1,157,977,657.99
  5. Step 5: Solve for x
    x = 1,157,977,657.99/40,233.18
  6. Step 6: Final answer
    x = 28,781.66

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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.