Home / 48,537.96-72,777.20-18,921.19

Finding the Fourth Proportional to 48,537.96, 72,777.20 and 18,921.19

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Solution

The fourth proportional to 48,537.96, 72,777.20 and 18,921.19 is: 28,370.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,537.96 : 72,777.20 = 18,921.19 : x
  2. Step 2: Convert to fraction form
    48,537.96/72,777.20 = 18,921.19/x
  3. Step 3: Cross multiply
    48,537.96x = 72,777.20 × 18,921.19
  4. Step 4: Simplify right side
    48,537.96x = 1,377,031,134.26
  5. Step 5: Solve for x
    x = 1,377,031,134.26/48,537.96
  6. Step 6: Final answer
    x = 28,370.19

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1.5x scale

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.