Home / 40,234.10-60,335.70-19,157.90

Finding the Fourth Proportional to 40,234.10, 60,335.70 and 19,157.90

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Solution

The fourth proportional to 40,234.10, 60,335.70 and 19,157.90 is: 28,729.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,234.10 : 60,335.70 = 19,157.90 : x
  2. Step 2: Convert to fraction form
    40,234.10/60,335.70 = 19,157.90/x
  3. Step 3: Cross multiply
    40,234.10x = 60,335.70 × 19,157.90
  4. Step 4: Simplify right side
    40,234.10x = 1,155,905,307.03
  5. Step 5: Solve for x
    x = 1,155,905,307.03/40,234.10
  6. Step 6: Final answer
    x = 28,729.49

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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.