Home / 59,910.20-89,938.20-30,312.80

Finding the Fourth Proportional to 59,910.20, 89,938.20 and 30,312.80

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Solution

The fourth proportional to 59,910.20, 89,938.20 and 30,312.80 is: 45,506.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    59,910.20 : 89,938.20 = 30,312.80 : x
  2. Step 2: Convert to fraction form
    59,910.20/89,938.20 = 30,312.80/x
  3. Step 3: Cross multiply
    59,910.20x = 89,938.20 × 30,312.80
  4. Step 4: Simplify right side
    59,910.20x = 2,726,278,668.96
  5. Step 5: Solve for x
    x = 2,726,278,668.96/59,910.20
  6. Step 6: Final answer
    x = 45,506.09

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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.