Home / 42,193.82-58,275.27-28,741.70

Finding the Fourth Proportional to 42,193.82, 58,275.27 and 28,741.70

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Solution

The fourth proportional to 42,193.82, 58,275.27 and 28,741.70 is: 39,696.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,193.82 : 58,275.27 = 28,741.70 : x
  2. Step 2: Convert to fraction form
    42,193.82/58,275.27 = 28,741.70/x
  3. Step 3: Cross multiply
    42,193.82x = 58,275.27 × 28,741.70
  4. Step 4: Simplify right side
    42,193.82x = 1,674,930,327.76
  5. Step 5: Solve for x
    x = 1,674,930,327.76/42,193.82
  6. Step 6: Final answer
    x = 39,696.11

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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.