Home / 55,741.42-76,947.15-34,234.65

Finding the Fourth Proportional to 55,741.42, 76,947.15 and 34,234.65

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Solution

The fourth proportional to 55,741.42, 76,947.15 and 34,234.65 is: 47,258.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,741.42 : 76,947.15 = 34,234.65 : x
  2. Step 2: Convert to fraction form
    55,741.42/76,947.15 = 34,234.65/x
  3. Step 3: Cross multiply
    55,741.42x = 76,947.15 × 34,234.65
  4. Step 4: Simplify right side
    55,741.42x = 2,634,258,192.84
  5. Step 5: Solve for x
    x = 2,634,258,192.84/55,741.42
  6. Step 6: Final answer
    x = 47,258.55

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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.