Home / 40,860.40-61,289.38-11,280.04

Finding the Fourth Proportional to 40,860.40, 61,289.38 and 11,280.04

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Solution

The fourth proportional to 40,860.40, 61,289.38 and 11,280.04 is: 16,919.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,860.40 : 61,289.38 = 11,280.04 : x
  2. Step 2: Convert to fraction form
    40,860.40/61,289.38 = 11,280.04/x
  3. Step 3: Cross multiply
    40,860.40x = 61,289.38 × 11,280.04
  4. Step 4: Simplify right side
    40,860.40x = 691,346,657.98
  5. Step 5: Solve for x
    x = 691,346,657.98/40,860.40
  6. Step 6: Final answer
    x = 16,919.72

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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.