Home / 54,390.71-75,058.85-30,517.31

Finding the Fourth Proportional to 54,390.71, 75,058.85 and 30,517.31

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Solution

The fourth proportional to 54,390.71, 75,058.85 and 30,517.31 is: 42,113.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,390.71 : 75,058.85 = 30,517.31 : x
  2. Step 2: Convert to fraction form
    54,390.71/75,058.85 = 30,517.31/x
  3. Step 3: Cross multiply
    54,390.71x = 75,058.85 × 30,517.31
  4. Step 4: Simplify right side
    54,390.71x = 2,290,594,457.63
  5. Step 5: Solve for x
    x = 2,290,594,457.63/54,390.71
  6. Step 6: Final answer
    x = 42,113.71

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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.