Home / 56,044.08-77,340.76-30,894

Finding the Fourth Proportional to 56,044.08, 77,340.76 and 30,894

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Solution

The fourth proportional to 56,044.08, 77,340.76 and 30,894 is: 42,633.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,044.08 : 77,340.76 = 30,894 : x
  2. Step 2: Convert to fraction form
    56,044.08/77,340.76 = 30,894/x
  3. Step 3: Cross multiply
    56,044.08x = 77,340.76 × 30,894
  4. Step 4: Simplify right side
    56,044.08x = 2,389,365,439.44
  5. Step 5: Solve for x
    x = 2,389,365,439.44/56,044.08
  6. Step 6: Final answer
    x = 42,633.68

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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.