Home / 30,355.20-45,532.80-23,348.70

Finding the Fourth Proportional to 30,355.20, 45,532.80 and 23,348.70

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Solution

The fourth proportional to 30,355.20, 45,532.80 and 23,348.70 is: 35,023.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,355.20 : 45,532.80 = 23,348.70 : x
  2. Step 2: Convert to fraction form
    30,355.20/45,532.80 = 23,348.70/x
  3. Step 3: Cross multiply
    30,355.20x = 45,532.80 × 23,348.70
  4. Step 4: Simplify right side
    30,355.20x = 1,063,131,687.36
  5. Step 5: Solve for x
    x = 1,063,131,687.36/30,355.20
  6. Step 6: Final answer
    x = 35,023.05

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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.