Home / 51,139.24-76,707.03-17,859.18

Finding the Fourth Proportional to 51,139.24, 76,707.03 and 17,859.18

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Solution

The fourth proportional to 51,139.24, 76,707.03 and 17,859.18 is: 26,788.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,139.24 : 76,707.03 = 17,859.18 : x
  2. Step 2: Convert to fraction form
    51,139.24/76,707.03 = 17,859.18/x
  3. Step 3: Cross multiply
    51,139.24x = 76,707.03 × 17,859.18
  4. Step 4: Simplify right side
    51,139.24x = 1,369,924,656.04
  5. Step 5: Solve for x
    x = 1,369,924,656.04/51,139.24
  6. Step 6: Final answer
    x = 26,788.13

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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.