Home / 55,699.62-76,870.33-30,553.98

Finding the Fourth Proportional to 55,699.62, 76,870.33 and 30,553.98

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Solution

The fourth proportional to 55,699.62, 76,870.33 and 30,553.98 is: 42,167.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,699.62 : 76,870.33 = 30,553.98 : x
  2. Step 2: Convert to fraction form
    55,699.62/76,870.33 = 30,553.98/x
  3. Step 3: Cross multiply
    55,699.62x = 76,870.33 × 30,553.98
  4. Step 4: Simplify right side
    55,699.62x = 2,348,694,160.76
  5. Step 5: Solve for x
    x = 2,348,694,160.76/55,699.62
  6. Step 6: Final answer
    x = 42,167.15

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1.5x scale

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.