Home / 52,340.80-72,228.78-29,681.92

Finding the Fourth Proportional to 52,340.80, 72,228.78 and 29,681.92

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Solution

The fourth proportional to 52,340.80, 72,228.78 and 29,681.92 is: 40,960.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,340.80 : 72,228.78 = 29,681.92 : x
  2. Step 2: Convert to fraction form
    52,340.80/72,228.78 = 29,681.92/x
  3. Step 3: Cross multiply
    52,340.80x = 72,228.78 × 29,681.92
  4. Step 4: Simplify right side
    52,340.80x = 2,143,888,869.66
  5. Step 5: Solve for x
    x = 2,143,888,869.66/52,340.80
  6. Step 6: Final answer
    x = 40,960.19

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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.