Home / 60,662.15-83,669.20-40,207.22

Finding the Fourth Proportional to 60,662.15, 83,669.20 and 40,207.22

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Solution

The fourth proportional to 60,662.15, 83,669.20 and 40,207.22 is: 55,456.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,662.15 : 83,669.20 = 40,207.22 : x
  2. Step 2: Convert to fraction form
    60,662.15/83,669.20 = 40,207.22/x
  3. Step 3: Cross multiply
    60,662.15x = 83,669.20 × 40,207.22
  4. Step 4: Simplify right side
    60,662.15x = 3,364,105,931.62
  5. Step 5: Solve for x
    x = 3,364,105,931.62/60,662.15
  6. Step 6: Final answer
    x = 55,456.42

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.