Home / 30,446.69-42,058.97-28,850.63

Finding the Fourth Proportional to 30,446.69, 42,058.97 and 28,850.63

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Solution

The fourth proportional to 30,446.69, 42,058.97 and 28,850.63 is: 39,854.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,446.69 : 42,058.97 = 28,850.63 : x
  2. Step 2: Convert to fraction form
    30,446.69/42,058.97 = 28,850.63/x
  3. Step 3: Cross multiply
    30,446.69x = 42,058.97 × 28,850.63
  4. Step 4: Simplify right side
    30,446.69x = 1,213,427,853.02
  5. Step 5: Solve for x
    x = 1,213,427,853.02/30,446.69
  6. Step 6: Final answer
    x = 39,854.19

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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.