Home / 52,077.87-71,867.10-28,203.99

Finding the Fourth Proportional to 52,077.87, 71,867.10 and 28,203.99

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Solution

The fourth proportional to 52,077.87, 71,867.10 and 28,203.99 is: 38,921.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,077.87 : 71,867.10 = 28,203.99 : x
  2. Step 2: Convert to fraction form
    52,077.87/71,867.10 = 28,203.99/x
  3. Step 3: Cross multiply
    52,077.87x = 71,867.10 × 28,203.99
  4. Step 4: Simplify right side
    52,077.87x = 2,026,938,969.73
  5. Step 5: Solve for x
    x = 2,026,938,969.73/52,077.87
  6. Step 6: Final answer
    x = 38,921.31

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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.