Home / 54,919.65-75,792.38-31,048.55

Finding the Fourth Proportional to 54,919.65, 75,792.38 and 31,048.55

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Solution

The fourth proportional to 54,919.65, 75,792.38 and 31,048.55 is: 42,848.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,919.65 : 75,792.38 = 31,048.55 : x
  2. Step 2: Convert to fraction form
    54,919.65/75,792.38 = 31,048.55/x
  3. Step 3: Cross multiply
    54,919.65x = 75,792.38 × 31,048.55
  4. Step 4: Simplify right side
    54,919.65x = 2,353,242,965.84
  5. Step 5: Solve for x
    x = 2,353,242,965.84/54,919.65
  6. Step 6: Final answer
    x = 42,848.83

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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.