Home / 51,859.20-77,810.40-25,564.17

Finding the Fourth Proportional to 51,859.20, 77,810.40 and 25,564.17

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Solution

The fourth proportional to 51,859.20, 77,810.40 and 25,564.17 is: 38,356.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,859.20 : 77,810.40 = 25,564.17 : x
  2. Step 2: Convert to fraction form
    51,859.20/77,810.40 = 25,564.17/x
  3. Step 3: Cross multiply
    51,859.20x = 77,810.40 × 25,564.17
  4. Step 4: Simplify right side
    51,859.20x = 1,989,158,293.37
  5. Step 5: Solve for x
    x = 1,989,158,293.37/51,859.20
  6. Step 6: Final answer
    x = 38,356.90

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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.