Home / 70,233.96-105,335.24-20,302.94

Finding the Fourth Proportional to 70,233.96, 105,335.24 and 20,302.94

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Solution

The fourth proportional to 70,233.96, 105,335.24 and 20,302.94 is: 30,449.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,233.96 : 105,335.24 = 20,302.94 : x
  2. Step 2: Convert to fraction form
    70,233.96/105,335.24 = 20,302.94/x
  3. Step 3: Cross multiply
    70,233.96x = 105,335.24 × 20,302.94
  4. Step 4: Simplify right side
    70,233.96x = 2,138,615,057.61
  5. Step 5: Solve for x
    x = 2,138,615,057.61/70,233.96
  6. Step 6: Final answer
    x = 30,449.87

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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.