Home / 41,477.20-62,215.80-13,775.20

Finding the Fourth Proportional to 41,477.20, 62,215.80 and 13,775.20

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Solution

The fourth proportional to 41,477.20, 62,215.80 and 13,775.20 is: 20,662.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    41,477.20 : 62,215.80 = 13,775.20 : x
  2. Step 2: Convert to fraction form
    41,477.20/62,215.80 = 13,775.20/x
  3. Step 3: Cross multiply
    41,477.20x = 62,215.80 × 13,775.20
  4. Step 4: Simplify right side
    41,477.20x = 857,035,088.16
  5. Step 5: Solve for x
    x = 857,035,088.16/41,477.20
  6. Step 6: Final answer
    x = 20,662.80

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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.