Home / 52,823.20-79,234.80-40,381.60

Finding the Fourth Proportional to 52,823.20, 79,234.80 and 40,381.60

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Solution

The fourth proportional to 52,823.20, 79,234.80 and 40,381.60 is: 60,572.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,823.20 : 79,234.80 = 40,381.60 : x
  2. Step 2: Convert to fraction form
    52,823.20/79,234.80 = 40,381.60/x
  3. Step 3: Cross multiply
    52,823.20x = 79,234.80 × 40,381.60
  4. Step 4: Simplify right side
    52,823.20x = 3,199,627,999.68
  5. Step 5: Solve for x
    x = 3,199,627,999.68/52,823.20
  6. Step 6: Final answer
    x = 60,572.40

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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.