Home / 52,086.48-78,031.80-25,760.40

Finding the Fourth Proportional to 52,086.48, 78,031.80 and 25,760.40

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Solution

The fourth proportional to 52,086.48, 78,031.80 and 25,760.40 is: 38,592.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,086.48 : 78,031.80 = 25,760.40 : x
  2. Step 2: Convert to fraction form
    52,086.48/78,031.80 = 25,760.40/x
  3. Step 3: Cross multiply
    52,086.48x = 78,031.80 × 25,760.40
  4. Step 4: Simplify right side
    52,086.48x = 2,010,130,380.72
  5. Step 5: Solve for x
    x = 2,010,130,380.72/52,086.48
  6. Step 6: Final answer
    x = 38,592.17

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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.