Home / 55,575.04-76,694.40-30,426.88

Finding the Fourth Proportional to 55,575.04, 76,694.40 and 30,426.88

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Solution

The fourth proportional to 55,575.04, 76,694.40 and 30,426.88 is: 41,989.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,575.04 : 76,694.40 = 30,426.88 : x
  2. Step 2: Convert to fraction form
    55,575.04/76,694.40 = 30,426.88/x
  3. Step 3: Cross multiply
    55,575.04x = 76,694.40 × 30,426.88
  4. Step 4: Simplify right side
    55,575.04x = 2,333,571,305.47
  5. Step 5: Solve for x
    x = 2,333,571,305.47/55,575.04
  6. Step 6: Final answer
    x = 41,989.56

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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.