Home / 52,290.48-78,445.14-19,057.20

Finding the Fourth Proportional to 52,290.48, 78,445.14 and 19,057.20

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Solution

The fourth proportional to 52,290.48, 78,445.14 and 19,057.20 is: 28,589.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,290.48 : 78,445.14 = 19,057.20 : x
  2. Step 2: Convert to fraction form
    52,290.48/78,445.14 = 19,057.20/x
  3. Step 3: Cross multiply
    52,290.48x = 78,445.14 × 19,057.20
  4. Step 4: Simplify right side
    52,290.48x = 1,494,944,722.01
  5. Step 5: Solve for x
    x = 1,494,944,722.01/52,290.48
  6. Step 6: Final answer
    x = 28,589.23

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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.