Home / 51,718.31-71,374.30-38,948.96

Finding the Fourth Proportional to 51,718.31, 71,374.30 and 38,948.96

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Solution

The fourth proportional to 51,718.31, 71,374.30 and 38,948.96 is: 53,751.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,718.31 : 71,374.30 = 38,948.96 : x
  2. Step 2: Convert to fraction form
    51,718.31/71,374.30 = 38,948.96/x
  3. Step 3: Cross multiply
    51,718.31x = 71,374.30 × 38,948.96
  4. Step 4: Simplify right side
    51,718.31x = 2,779,954,301.48
  5. Step 5: Solve for x
    x = 2,779,954,301.48/51,718.31
  6. Step 6: Final answer
    x = 53,751.84

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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.