Home / 48,699.43-73,056.85-20,619.65

Finding the Fourth Proportional to 48,699.43, 73,056.85 and 20,619.65

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Solution

The fourth proportional to 48,699.43, 73,056.85 and 20,619.65 is: 30,932.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,699.43 : 73,056.85 = 20,619.65 : x
  2. Step 2: Convert to fraction form
    48,699.43/73,056.85 = 20,619.65/x
  3. Step 3: Cross multiply
    48,699.43x = 73,056.85 × 20,619.65
  4. Step 4: Simplify right side
    48,699.43x = 1,506,406,808.20
  5. Step 5: Solve for x
    x = 1,506,406,808.20/48,699.43
  6. Step 6: Final answer
    x = 30,932.74

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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.