Home / 40,882.60-61,323.90-12,804.85

Finding the Fourth Proportional to 40,882.60, 61,323.90 and 12,804.85

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Solution

The fourth proportional to 40,882.60, 61,323.90 and 12,804.85 is: 19,207.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,882.60 : 61,323.90 = 12,804.85 : x
  2. Step 2: Convert to fraction form
    40,882.60/61,323.90 = 12,804.85/x
  3. Step 3: Cross multiply
    40,882.60x = 61,323.90 × 12,804.85
  4. Step 4: Simplify right side
    40,882.60x = 785,243,308.90
  5. Step 5: Solve for x
    x = 785,243,308.90/40,882.60
  6. Step 6: Final answer
    x = 19,207.28

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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.