Home / 56,382.18-84,556.86-18,938.04

Finding the Fourth Proportional to 56,382.18, 84,556.86 and 18,938.04

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Solution

The fourth proportional to 56,382.18, 84,556.86 and 18,938.04 is: 28,401.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,382.18 : 84,556.86 = 18,938.04 : x
  2. Step 2: Convert to fraction form
    56,382.18/84,556.86 = 18,938.04/x
  3. Step 3: Cross multiply
    56,382.18x = 84,556.86 × 18,938.04
  4. Step 4: Simplify right side
    56,382.18x = 1,601,341,196.95
  5. Step 5: Solve for x
    x = 1,601,341,196.95/56,382.18
  6. Step 6: Final answer
    x = 28,401.55

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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.