Home / 52,449.48-78,604.16-19,138.23

Finding the Fourth Proportional to 52,449.48, 78,604.16 and 19,138.23

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Solution

The fourth proportional to 52,449.48, 78,604.16 and 19,138.23 is: 28,681.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,449.48 : 78,604.16 = 19,138.23 : x
  2. Step 2: Convert to fraction form
    52,449.48/78,604.16 = 19,138.23/x
  3. Step 3: Cross multiply
    52,449.48x = 78,604.16 × 19,138.23
  4. Step 4: Simplify right side
    52,449.48x = 1,504,344,397.35
  5. Step 5: Solve for x
    x = 1,504,344,397.35/52,449.48
  6. Step 6: Final answer
    x = 28,681.78

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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.