Home / 56,044.20-77,339.94-30,550.80

Finding the Fourth Proportional to 56,044.20, 77,339.94 and 30,550.80

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Solution

The fourth proportional to 56,044.20, 77,339.94 and 30,550.80 is: 42,159.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,044.20 : 77,339.94 = 30,550.80 : x
  2. Step 2: Convert to fraction form
    56,044.20/77,339.94 = 30,550.80/x
  3. Step 3: Cross multiply
    56,044.20x = 77,339.94 × 30,550.80
  4. Step 4: Simplify right side
    56,044.20x = 2,362,797,038.95
  5. Step 5: Solve for x
    x = 2,362,797,038.95/56,044.20
  6. Step 6: Final answer
    x = 42,159.53

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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.