Home / 56,044.60-77,339.20-30,550.41

Finding the Fourth Proportional to 56,044.60, 77,339.20 and 30,550.41

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Solution

The fourth proportional to 56,044.60, 77,339.20 and 30,550.41 is: 42,158.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,044.60 : 77,339.20 = 30,550.41 : x
  2. Step 2: Convert to fraction form
    56,044.60/77,339.20 = 30,550.41/x
  3. Step 3: Cross multiply
    56,044.60x = 77,339.20 × 30,550.41
  4. Step 4: Simplify right side
    56,044.60x = 2,362,744,269.07
  5. Step 5: Solve for x
    x = 2,362,744,269.07/56,044.60
  6. Step 6: Final answer
    x = 42,158.29

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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.