Home / 50,545.10-75,722.88-42,278.24

Finding the Fourth Proportional to 50,545.10, 75,722.88 and 42,278.24

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Solution

The fourth proportional to 50,545.10, 75,722.88 and 42,278.24 is: 63,338.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,545.10 : 75,722.88 = 42,278.24 : x
  2. Step 2: Convert to fraction form
    50,545.10/75,722.88 = 42,278.24/x
  3. Step 3: Cross multiply
    50,545.10x = 75,722.88 × 42,278.24
  4. Step 4: Simplify right side
    50,545.10x = 3,201,430,094.13
  5. Step 5: Solve for x
    x = 3,201,430,094.13/50,545.10
  6. Step 6: Final answer
    x = 63,338.09

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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.