Home / 48,987.41-73,506.40-20,899.93

Finding the Fourth Proportional to 48,987.41, 73,506.40 and 20,899.93

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Solution

The fourth proportional to 48,987.41, 73,506.40 and 20,899.93 is: 31,360.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,987.41 : 73,506.40 = 20,899.93 : x
  2. Step 2: Convert to fraction form
    48,987.41/73,506.40 = 20,899.93/x
  3. Step 3: Cross multiply
    48,987.41x = 73,506.40 × 20,899.93
  4. Step 4: Simplify right side
    48,987.41x = 1,536,278,247.02
  5. Step 5: Solve for x
    x = 1,536,278,247.02/48,987.41
  6. Step 6: Final answer
    x = 31,360.68

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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.