Home / 62,680.10-93,954.12-20,549.20

Finding the Fourth Proportional to 62,680.10, 93,954.12 and 20,549.20

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Solution

The fourth proportional to 62,680.10, 93,954.12 and 20,549.20 is: 30,802.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,680.10 : 93,954.12 = 20,549.20 : x
  2. Step 2: Convert to fraction form
    62,680.10/93,954.12 = 20,549.20/x
  3. Step 3: Cross multiply
    62,680.10x = 93,954.12 × 20,549.20
  4. Step 4: Simplify right side
    62,680.10x = 1,930,682,002.70
  5. Step 5: Solve for x
    x = 1,930,682,002.70/62,680.10
  6. Step 6: Final answer
    x = 30,802.15

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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.