Home / 55,456.84-76,530.27-30,306.34

Finding the Fourth Proportional to 55,456.84, 76,530.27 and 30,306.34

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Solution

The fourth proportional to 55,456.84, 76,530.27 and 30,306.34 is: 41,822.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456.84 : 76,530.27 = 30,306.34 : x
  2. Step 2: Convert to fraction form
    55,456.84/76,530.27 = 30,306.34/x
  3. Step 3: Cross multiply
    55,456.84x = 76,530.27 × 30,306.34
  4. Step 4: Simplify right side
    55,456.84x = 2,319,352,382.91
  5. Step 5: Solve for x
    x = 2,319,352,382.91/55,456.84
  6. Step 6: Final answer
    x = 41,822.66

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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.