Home / 54,656.78-75,424.92-30,457.85

Finding the Fourth Proportional to 54,656.78, 75,424.92 and 30,457.85

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Solution

The fourth proportional to 54,656.78, 75,424.92 and 30,457.85 is: 42,031.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,656.78 : 75,424.92 = 30,457.85 : x
  2. Step 2: Convert to fraction form
    54,656.78/75,424.92 = 30,457.85/x
  3. Step 3: Cross multiply
    54,656.78x = 75,424.92 × 30,457.85
  4. Step 4: Simplify right side
    54,656.78x = 2,297,280,791.74
  5. Step 5: Solve for x
    x = 2,297,280,791.74/54,656.78
  6. Step 6: Final answer
    x = 42,031.03

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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.