Home / 45,661.38-63,008.28-28,660.18

Finding the Fourth Proportional to 45,661.38, 63,008.28 and 28,660.18

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Solution

The fourth proportional to 45,661.38, 63,008.28 and 28,660.18 is: 39,548.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,661.38 : 63,008.28 = 28,660.18 : x
  2. Step 2: Convert to fraction form
    45,661.38/63,008.28 = 28,660.18/x
  3. Step 3: Cross multiply
    45,661.38x = 63,008.28 × 28,660.18
  4. Step 4: Simplify right side
    45,661.38x = 1,805,828,646.29
  5. Step 5: Solve for x
    x = 1,805,828,646.29/45,661.38
  6. Step 6: Final answer
    x = 39,548.27

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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.