Home / 53,779.38-74,217.35-29,581.37

Finding the Fourth Proportional to 53,779.38, 74,217.35 and 29,581.37

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Solution

The fourth proportional to 53,779.38, 74,217.35 and 29,581.37 is: 40,823.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,779.38 : 74,217.35 = 29,581.37 : x
  2. Step 2: Convert to fraction form
    53,779.38/74,217.35 = 29,581.37/x
  3. Step 3: Cross multiply
    53,779.38x = 74,217.35 × 29,581.37
  4. Step 4: Simplify right side
    53,779.38x = 2,195,450,871.95
  5. Step 5: Solve for x
    x = 2,195,450,871.95/53,779.38
  6. Step 6: Final answer
    x = 40,823.29

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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.