Home / 51,547.28-71,169.50-39,589.25

Finding the Fourth Proportional to 51,547.28, 71,169.50 and 39,589.25

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Solution

The fourth proportional to 51,547.28, 71,169.50 and 39,589.25 is: 54,659.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,547.28 : 71,169.50 = 39,589.25 : x
  2. Step 2: Convert to fraction form
    51,547.28/71,169.50 = 39,589.25/x
  3. Step 3: Cross multiply
    51,547.28x = 71,169.50 × 39,589.25
  4. Step 4: Simplify right side
    51,547.28x = 2,817,546,871.00
  5. Step 5: Solve for x
    x = 2,817,546,871.00/51,547.28
  6. Step 6: Final answer
    x = 54,659.47

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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.