Home / 50,377.56-75,510.92-20,779.22

Finding the Fourth Proportional to 50,377.56, 75,510.92 and 20,779.22

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Solution

The fourth proportional to 50,377.56, 75,510.92 and 20,779.22 is: 31,145.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,377.56 : 75,510.92 = 20,779.22 : x
  2. Step 2: Convert to fraction form
    50,377.56/75,510.92 = 20,779.22/x
  3. Step 3: Cross multiply
    50,377.56x = 75,510.92 × 20,779.22
  4. Step 4: Simplify right side
    50,377.56x = 1,569,058,019.08
  5. Step 5: Solve for x
    x = 1,569,058,019.08/50,377.56
  6. Step 6: Final answer
    x = 31,145.97

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.