Home / 52,278.48-78,439.59-22,721.18

Finding the Fourth Proportional to 52,278.48, 78,439.59 and 22,721.18

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Solution

The fourth proportional to 52,278.48, 78,439.59 and 22,721.18 is: 34,091.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,278.48 : 78,439.59 = 22,721.18 : x
  2. Step 2: Convert to fraction form
    52,278.48/78,439.59 = 22,721.18/x
  3. Step 3: Cross multiply
    52,278.48x = 78,439.59 × 22,721.18
  4. Step 4: Simplify right side
    52,278.48x = 1,782,239,651.32
  5. Step 5: Solve for x
    x = 1,782,239,651.32/52,278.48
  6. Step 6: Final answer
    x = 34,091.27

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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.