Home / 42,261.35-58,398.37-30,305.75

Finding the Fourth Proportional to 42,261.35, 58,398.37 and 30,305.75

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Solution

The fourth proportional to 42,261.35, 58,398.37 and 30,305.75 is: 41,877.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,261.35 : 58,398.37 = 30,305.75 : x
  2. Step 2: Convert to fraction form
    42,261.35/58,398.37 = 30,305.75/x
  3. Step 3: Cross multiply
    42,261.35x = 58,398.37 × 30,305.75
  4. Step 4: Simplify right side
    42,261.35x = 1,769,806,033.87
  5. Step 5: Solve for x
    x = 1,769,806,033.87/42,261.35
  6. Step 6: Final answer
    x = 41,877.66

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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.