Home / 42,220.85-58,274.52-27,883.53

Finding the Fourth Proportional to 42,220.85, 58,274.52 and 27,883.53

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Solution

The fourth proportional to 42,220.85, 58,274.52 and 27,883.53 is: 38,485.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,220.85 : 58,274.52 = 27,883.53 : x
  2. Step 2: Convert to fraction form
    42,220.85/58,274.52 = 27,883.53/x
  3. Step 3: Cross multiply
    42,220.85x = 58,274.52 × 27,883.53
  4. Step 4: Simplify right side
    42,220.85x = 1,624,899,326.66
  5. Step 5: Solve for x
    x = 1,624,899,326.66/42,220.85
  6. Step 6: Final answer
    x = 38,485.71

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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.