Home / 51,130.80-76,707.21-25,499.13

Finding the Fourth Proportional to 51,130.80, 76,707.21 and 25,499.13

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Solution

The fourth proportional to 51,130.80, 76,707.21 and 25,499.13 is: 38,254.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,130.80 : 76,707.21 = 25,499.13 : x
  2. Step 2: Convert to fraction form
    51,130.80/76,707.21 = 25,499.13/x
  3. Step 3: Cross multiply
    51,130.80x = 76,707.21 × 25,499.13
  4. Step 4: Simplify right side
    51,130.80x = 1,955,967,119.73
  5. Step 5: Solve for x
    x = 1,955,967,119.73/51,130.80
  6. Step 6: Final answer
    x = 38,254.19

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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.