Home / 52,800.10-72,864.13-31,584.38

Finding the Fourth Proportional to 52,800.10, 72,864.13 and 31,584.38

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Solution

The fourth proportional to 52,800.10, 72,864.13 and 31,584.38 is: 43,586.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,800.10 : 72,864.13 = 31,584.38 : x
  2. Step 2: Convert to fraction form
    52,800.10/72,864.13 = 31,584.38/x
  3. Step 3: Cross multiply
    52,800.10x = 72,864.13 × 31,584.38
  4. Step 4: Simplify right side
    52,800.10x = 2,301,368,005.97
  5. Step 5: Solve for x
    x = 2,301,368,005.97/52,800.10
  6. Step 6: Final answer
    x = 43,586.44

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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.