Home / 48,359.16-72,524.70-20,278.49

Finding the Fourth Proportional to 48,359.16, 72,524.70 and 20,278.49

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Solution

The fourth proportional to 48,359.16, 72,524.70 and 20,278.49 is: 30,411.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,359.16 : 72,524.70 = 20,278.49 : x
  2. Step 2: Convert to fraction form
    48,359.16/72,524.70 = 20,278.49/x
  3. Step 3: Cross multiply
    48,359.16x = 72,524.70 × 20,278.49
  4. Step 4: Simplify right side
    48,359.16x = 1,470,691,041.08
  5. Step 5: Solve for x
    x = 1,470,691,041.08/48,359.16
  6. Step 6: Final answer
    x = 30,411.84

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.