Home / 41,109.60-61,642.80-14,810.40

Finding the Fourth Proportional to 41,109.60, 61,642.80 and 14,810.40

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Solution

The fourth proportional to 41,109.60, 61,642.80 and 14,810.40 is: 22,207.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,109.60 : 61,642.80 = 14,810.40 : x
  2. Step 2: Convert to fraction form
    41,109.60/61,642.80 = 14,810.40/x
  3. Step 3: Cross multiply
    41,109.60x = 61,642.80 × 14,810.40
  4. Step 4: Simplify right side
    41,109.60x = 912,954,525.12
  5. Step 5: Solve for x
    x = 912,954,525.12/41,109.60
  6. Step 6: Final answer
    x = 22,207.82

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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.