Home / 48,998.20-67,621.14-27,779.40

Finding the Fourth Proportional to 48,998.20, 67,621.14 and 27,779.40

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Solution

The fourth proportional to 48,998.20, 67,621.14 and 27,779.40 is: 38,337.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,998.20 : 67,621.14 = 27,779.40 : x
  2. Step 2: Convert to fraction form
    48,998.20/67,621.14 = 27,779.40/x
  3. Step 3: Cross multiply
    48,998.20x = 67,621.14 × 27,779.40
  4. Step 4: Simplify right side
    48,998.20x = 1,878,474,696.52
  5. Step 5: Solve for x
    x = 1,878,474,696.52/48,998.20
  6. Step 6: Final answer
    x = 38,337.63

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1.5x scale

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.