Home / 39,943.12-55,111.68-24,416.80

Finding the Fourth Proportional to 39,943.12, 55,111.68 and 24,416.80

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Solution

The fourth proportional to 39,943.12, 55,111.68 and 24,416.80 is: 33,689.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,943.12 : 55,111.68 = 24,416.80 : x
  2. Step 2: Convert to fraction form
    39,943.12/55,111.68 = 24,416.80/x
  3. Step 3: Cross multiply
    39,943.12x = 55,111.68 × 24,416.80
  4. Step 4: Simplify right side
    39,943.12x = 1,345,650,868.22
  5. Step 5: Solve for x
    x = 1,345,650,868.22/39,943.12
  6. Step 6: Final answer
    x = 33,689.18

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.