Home / 48,652.34-67,140.62-28,509.80

Finding the Fourth Proportional to 48,652.34, 67,140.62 and 28,509.80

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Solution

The fourth proportional to 48,652.34, 67,140.62 and 28,509.80 is: 39,343.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,652.34 : 67,140.62 = 28,509.80 : x
  2. Step 2: Convert to fraction form
    48,652.34/67,140.62 = 28,509.80/x
  3. Step 3: Cross multiply
    48,652.34x = 67,140.62 × 28,509.80
  4. Step 4: Simplify right side
    48,652.34x = 1,914,165,648.08
  5. Step 5: Solve for x
    x = 1,914,165,648.08/48,652.34
  6. Step 6: Final answer
    x = 39,343.75

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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.