Home / 60,018.80-82,881.24-40,204.40

Finding the Fourth Proportional to 60,018.80, 82,881.24 and 40,204.40

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Solution

The fourth proportional to 60,018.80, 82,881.24 and 40,204.40 is: 55,519.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    60,018.80 : 82,881.24 = 40,204.40 : x
  2. Step 2: Convert to fraction form
    60,018.80/82,881.24 = 40,204.40/x
  3. Step 3: Cross multiply
    60,018.80x = 82,881.24 × 40,204.40
  4. Step 4: Simplify right side
    60,018.80x = 3,332,190,525.46
  5. Step 5: Solve for x
    x = 3,332,190,525.46/60,018.80
  6. Step 6: Final answer
    x = 55,519.11

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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.