Home / 42,126.15-58,211.07-40,076.04

Finding the Fourth Proportional to 42,126.15, 58,211.07 and 40,076.04

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Solution

The fourth proportional to 42,126.15, 58,211.07 and 40,076.04 is: 55,378.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,126.15 : 58,211.07 = 40,076.04 : x
  2. Step 2: Convert to fraction form
    42,126.15/58,211.07 = 40,076.04/x
  3. Step 3: Cross multiply
    42,126.15x = 58,211.07 × 40,076.04
  4. Step 4: Simplify right side
    42,126.15x = 2,332,869,169.76
  5. Step 5: Solve for x
    x = 2,332,869,169.76/42,126.15
  6. Step 6: Final answer
    x = 55,378.17

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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.