Home / 51,365.26-77,064.36-21,807.96

Finding the Fourth Proportional to 51,365.26, 77,064.36 and 21,807.96

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Solution

The fourth proportional to 51,365.26, 77,064.36 and 21,807.96 is: 32,718.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,365.26 : 77,064.36 = 21,807.96 : x
  2. Step 2: Convert to fraction form
    51,365.26/77,064.36 = 21,807.96/x
  3. Step 3: Cross multiply
    51,365.26x = 77,064.36 × 21,807.96
  4. Step 4: Simplify right side
    51,365.26x = 1,680,616,480.31
  5. Step 5: Solve for x
    x = 1,680,616,480.31/51,365.26
  6. Step 6: Final answer
    x = 32,718.93

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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.