Home / 40,740.60-61,110.88-11,158.18

Finding the Fourth Proportional to 40,740.60, 61,110.88 and 11,158.18

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Solution

The fourth proportional to 40,740.60, 61,110.88 and 11,158.18 is: 16,737.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,740.60 : 61,110.88 = 11,158.18 : x
  2. Step 2: Convert to fraction form
    40,740.60/61,110.88 = 11,158.18/x
  3. Step 3: Cross multiply
    40,740.60x = 61,110.88 × 11,158.18
  4. Step 4: Simplify right side
    40,740.60x = 681,886,199.00
  5. Step 5: Solve for x
    x = 681,886,199.00/40,740.60
  6. Step 6: Final answer
    x = 16,737.26

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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.