Home / 38,779.56-57,856.95-35,042.76

Finding the Fourth Proportional to 38,779.56, 57,856.95 and 35,042.76

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Solution

The fourth proportional to 38,779.56, 57,856.95 and 35,042.76 is: 52,281.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,779.56 : 57,856.95 = 35,042.76 : x
  2. Step 2: Convert to fraction form
    38,779.56/57,856.95 = 35,042.76/x
  3. Step 3: Cross multiply
    38,779.56x = 57,856.95 × 35,042.76
  4. Step 4: Simplify right side
    38,779.56x = 2,027,467,213.18
  5. Step 5: Solve for x
    x = 2,027,467,213.18/38,779.56
  6. Step 6: Final answer
    x = 52,281.85

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.