Home / 40,331.14-60,451.86-30,438.34

Finding the Fourth Proportional to 40,331.14, 60,451.86 and 30,438.34

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Solution

The fourth proportional to 40,331.14, 60,451.86 and 30,438.34 is: 45,623.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,331.14 : 60,451.86 = 30,438.34 : x
  2. Step 2: Convert to fraction form
    40,331.14/60,451.86 = 30,438.34/x
  3. Step 3: Cross multiply
    40,331.14x = 60,451.86 × 30,438.34
  4. Step 4: Simplify right side
    40,331.14x = 1,840,054,268.31
  5. Step 5: Solve for x
    x = 1,840,054,268.31/40,331.14
  6. Step 6: Final answer
    x = 45,623.66

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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.