Home / 40,319.85-60,399.93-27,638.40

Finding the Fourth Proportional to 40,319.85, 60,399.93 and 27,638.40

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Solution

The fourth proportional to 40,319.85, 60,399.93 and 27,638.40 is: 41,402.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,319.85 : 60,399.93 = 27,638.40 : x
  2. Step 2: Convert to fraction form
    40,319.85/60,399.93 = 27,638.40/x
  3. Step 3: Cross multiply
    40,319.85x = 60,399.93 × 27,638.40
  4. Step 4: Simplify right side
    40,319.85x = 1,669,357,425.31
  5. Step 5: Solve for x
    x = 1,669,357,425.31/40,319.85
  6. Step 6: Final answer
    x = 41,402.87

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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.