Home / 41,985.12-62,977.56-10,820.16

Finding the Fourth Proportional to 41,985.12, 62,977.56 and 10,820.16

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Solution

The fourth proportional to 41,985.12, 62,977.56 and 10,820.16 is: 16,230.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,985.12 : 62,977.56 = 10,820.16 : x
  2. Step 2: Convert to fraction form
    41,985.12/62,977.56 = 10,820.16/x
  3. Step 3: Cross multiply
    41,985.12x = 62,977.56 × 10,820.16
  4. Step 4: Simplify right side
    41,985.12x = 681,427,275.61
  5. Step 5: Solve for x
    x = 681,427,275.61/41,985.12
  6. Step 6: Final answer
    x = 16,230.21

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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.