Home / 70,232.27-105,247.35-30,240.27

Finding the Fourth Proportional to 70,232.27, 105,247.35 and 30,240.27

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Solution

The fourth proportional to 70,232.27, 105,247.35 and 30,240.27 is: 45,316.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,232.27 : 105,247.35 = 30,240.27 : x
  2. Step 2: Convert to fraction form
    70,232.27/105,247.35 = 30,240.27/x
  3. Step 3: Cross multiply
    70,232.27x = 105,247.35 × 30,240.27
  4. Step 4: Simplify right side
    70,232.27x = 3,182,708,280.78
  5. Step 5: Solve for x
    x = 3,182,708,280.78/70,232.27
  6. Step 6: Final answer
    x = 45,316.90

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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.