Home / 51,876.41-77,838.91-25,566.80

Finding the Fourth Proportional to 51,876.41, 77,838.91 and 25,566.80

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Solution

The fourth proportional to 51,876.41, 77,838.91 and 25,566.80 is: 38,362.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,876.41 : 77,838.91 = 25,566.80 : x
  2. Step 2: Convert to fraction form
    51,876.41/77,838.91 = 25,566.80/x
  3. Step 3: Cross multiply
    51,876.41x = 77,838.91 × 25,566.80
  4. Step 4: Simplify right side
    51,876.41x = 1,990,091,844.19
  5. Step 5: Solve for x
    x = 1,990,091,844.19/51,876.41
  6. Step 6: Final answer
    x = 38,362.17

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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.