Home / 34,727.60-47,921.73-19,620.90

Finding the Fourth Proportional to 34,727.60, 47,921.73 and 19,620.90

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Solution

The fourth proportional to 34,727.60, 47,921.73 and 19,620.90 is: 27,075.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,727.60 : 47,921.73 = 19,620.90 : x
  2. Step 2: Convert to fraction form
    34,727.60/47,921.73 = 19,620.90/x
  3. Step 3: Cross multiply
    34,727.60x = 47,921.73 × 19,620.90
  4. Step 4: Simplify right side
    34,727.60x = 940,267,398.58
  5. Step 5: Solve for x
    x = 940,267,398.58/34,727.60
  6. Step 6: Final answer
    x = 27,075.51

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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.