Home / 55,632.12-76,770.54-30,481.08

Finding the Fourth Proportional to 55,632.12, 76,770.54 and 30,481.08

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Solution

The fourth proportional to 55,632.12, 76,770.54 and 30,481.08 is: 42,062.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,632.12 : 76,770.54 = 30,481.08 : x
  2. Step 2: Convert to fraction form
    55,632.12/76,770.54 = 30,481.08/x
  3. Step 3: Cross multiply
    55,632.12x = 76,770.54 × 30,481.08
  4. Step 4: Simplify right side
    55,632.12x = 2,340,048,971.38
  5. Step 5: Solve for x
    x = 2,340,048,971.38/55,632.12
  6. Step 6: Final answer
    x = 42,062.91

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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.