Home / 48,549.48-72,803.61-20,482.08

Finding the Fourth Proportional to 48,549.48, 72,803.61 and 20,482.08

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Solution

The fourth proportional to 48,549.48, 72,803.61 and 20,482.08 is: 30,714.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,549.48 : 72,803.61 = 20,482.08 : x
  2. Step 2: Convert to fraction form
    48,549.48/72,803.61 = 20,482.08/x
  3. Step 3: Cross multiply
    48,549.48x = 72,803.61 × 20,482.08
  4. Step 4: Simplify right side
    48,549.48x = 1,491,169,364.31
  5. Step 5: Solve for x
    x = 1,491,169,364.31/48,549.48
  6. Step 6: Final answer
    x = 30,714.43

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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.