Home / 34,233.60-51,350.40-20,409.60

Finding the Fourth Proportional to 34,233.60, 51,350.40 and 20,409.60

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Solution

The fourth proportional to 34,233.60, 51,350.40 and 20,409.60 is: 30,614.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,233.60 : 51,350.40 = 20,409.60 : x
  2. Step 2: Convert to fraction form
    34,233.60/51,350.40 = 20,409.60/x
  3. Step 3: Cross multiply
    34,233.60x = 51,350.40 × 20,409.60
  4. Step 4: Simplify right side
    34,233.60x = 1,048,041,123.84
  5. Step 5: Solve for x
    x = 1,048,041,123.84/34,233.60
  6. Step 6: Final answer
    x = 30,614.40

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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.