Home / 51,053.06-76,501.62-21,454.71

Finding the Fourth Proportional to 51,053.06, 76,501.62 and 21,454.71

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Solution

The fourth proportional to 51,053.06, 76,501.62 and 21,454.71 is: 32,149.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,053.06 : 76,501.62 = 21,454.71 : x
  2. Step 2: Convert to fraction form
    51,053.06/76,501.62 = 21,454.71/x
  3. Step 3: Cross multiply
    51,053.06x = 76,501.62 × 21,454.71
  4. Step 4: Simplify right side
    51,053.06x = 1,641,320,071.63
  5. Step 5: Solve for x
    x = 1,641,320,071.63/51,053.06
  6. Step 6: Final answer
    x = 32,149.30

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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.