Home / 40,315.60-60,438.66-17,809.18

Finding the Fourth Proportional to 40,315.60, 60,438.66 and 17,809.18

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Solution

The fourth proportional to 40,315.60, 60,438.66 and 17,809.18 is: 26,698.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,315.60 : 60,438.66 = 17,809.18 : x
  2. Step 2: Convert to fraction form
    40,315.60/60,438.66 = 17,809.18/x
  3. Step 3: Cross multiply
    40,315.60x = 60,438.66 × 17,809.18
  4. Step 4: Simplify right side
    40,315.60x = 1,076,362,974.90
  5. Step 5: Solve for x
    x = 1,076,362,974.90/40,315.60
  6. Step 6: Final answer
    x = 26,698.42

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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.