Home / 40,776.60-61,190.88-18,592.18

Finding the Fourth Proportional to 40,776.60, 61,190.88 and 18,592.18

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Solution

The fourth proportional to 40,776.60, 61,190.88 and 18,592.18 is: 27,900.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,776.60 : 61,190.88 = 18,592.18 : x
  2. Step 2: Convert to fraction form
    40,776.60/61,190.88 = 18,592.18/x
  3. Step 3: Cross multiply
    40,776.60x = 61,190.88 × 18,592.18
  4. Step 4: Simplify right side
    40,776.60x = 1,137,671,855.32
  5. Step 5: Solve for x
    x = 1,137,671,855.32/40,776.60
  6. Step 6: Final answer
    x = 27,900.12

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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.