Home / 32,113.80-48,170.70-8,740.20

Finding the Fourth Proportional to 32,113.80, 48,170.70 and 8,740.20

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Solution

The fourth proportional to 32,113.80, 48,170.70 and 8,740.20 is: 13,110.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,113.80 : 48,170.70 = 8,740.20 : x
  2. Step 2: Convert to fraction form
    32,113.80/48,170.70 = 8,740.20/x
  3. Step 3: Cross multiply
    32,113.80x = 48,170.70 × 8,740.20
  4. Step 4: Simplify right side
    32,113.80x = 421,021,552.14
  5. Step 5: Solve for x
    x = 421,021,552.14/32,113.80
  6. Step 6: Final answer
    x = 13,110.30

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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.