Home / 42,122.52-58,206.06-40,072.41

Finding the Fourth Proportional to 42,122.52, 58,206.06 and 40,072.41

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Solution

The fourth proportional to 42,122.52, 58,206.06 and 40,072.41 is: 55,373.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,122.52 : 58,206.06 = 40,072.41 : x
  2. Step 2: Convert to fraction form
    42,122.52/58,206.06 = 40,072.41/x
  3. Step 3: Cross multiply
    42,122.52x = 58,206.06 × 40,072.41
  4. Step 4: Simplify right side
    42,122.52x = 2,332,457,100.80
  5. Step 5: Solve for x
    x = 2,332,457,100.80/42,122.52
  6. Step 6: Final answer
    x = 55,373.16

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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.