Home / 55,456.72-76,530.08-30,306.24

Finding the Fourth Proportional to 55,456.72, 76,530.08 and 30,306.24

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Solution

The fourth proportional to 55,456.72, 76,530.08 and 30,306.24 is: 41,822.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,456.72 : 76,530.08 = 30,306.24 : x
  2. Step 2: Convert to fraction form
    55,456.72/76,530.08 = 30,306.24/x
  3. Step 3: Cross multiply
    55,456.72x = 76,530.08 × 30,306.24
  4. Step 4: Simplify right side
    55,456.72x = 2,319,338,971.70
  5. Step 5: Solve for x
    x = 2,319,338,971.70/55,456.72
  6. Step 6: Final answer
    x = 41,822.51

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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.