Home / 55,827.20-77,053.70-34,335.43

Finding the Fourth Proportional to 55,827.20, 77,053.70 and 34,335.43

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Solution

The fourth proportional to 55,827.20, 77,053.70 and 34,335.43 is: 47,390.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,827.20 : 77,053.70 = 34,335.43 : x
  2. Step 2: Convert to fraction form
    55,827.20/77,053.70 = 34,335.43/x
  3. Step 3: Cross multiply
    55,827.20x = 77,053.70 × 34,335.43
  4. Step 4: Simplify right side
    55,827.20x = 2,645,671,815.80
  5. Step 5: Solve for x
    x = 2,645,671,815.80/55,827.20
  6. Step 6: Final answer
    x = 47,390.37

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.