Home / 42,195.94-58,170.29-28,749.94

Finding the Fourth Proportional to 42,195.94, 58,170.29 and 28,749.94

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Solution

The fourth proportional to 42,195.94, 58,170.29 and 28,749.94 is: 39,633.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,195.94 : 58,170.29 = 28,749.94 : x
  2. Step 2: Convert to fraction form
    42,195.94/58,170.29 = 28,749.94/x
  3. Step 3: Cross multiply
    42,195.94x = 58,170.29 × 28,749.94
  4. Step 4: Simplify right side
    42,195.94x = 1,672,392,058.11
  5. Step 5: Solve for x
    x = 1,672,392,058.11/42,195.94
  6. Step 6: Final answer
    x = 39,633.96

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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.