Home / 52,782.89-79,177.05-13,340.34

Finding the Fourth Proportional to 52,782.89, 79,177.05 and 13,340.34

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Solution

The fourth proportional to 52,782.89, 79,177.05 and 13,340.34 is: 20,011.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,782.89 : 79,177.05 = 13,340.34 : x
  2. Step 2: Convert to fraction form
    52,782.89/79,177.05 = 13,340.34/x
  3. Step 3: Cross multiply
    52,782.89x = 79,177.05 × 13,340.34
  4. Step 4: Simplify right side
    52,782.89x = 1,056,248,767.20
  5. Step 5: Solve for x
    x = 1,056,248,767.20/52,782.89
  6. Step 6: Final answer
    x = 20,011.20

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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.