Home / 40,374.93-55,659.66-28,401.11

Finding the Fourth Proportional to 40,374.93, 55,659.66 and 28,401.11

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Solution

The fourth proportional to 40,374.93, 55,659.66 and 28,401.11 is: 39,152.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,374.93 : 55,659.66 = 28,401.11 : x
  2. Step 2: Convert to fraction form
    40,374.93/55,659.66 = 28,401.11/x
  3. Step 3: Cross multiply
    40,374.93x = 55,659.66 × 28,401.11
  4. Step 4: Simplify right side
    40,374.93x = 1,580,795,847.92
  5. Step 5: Solve for x
    x = 1,580,795,847.92/40,374.93
  6. Step 6: Final answer
    x = 39,152.91

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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.