Home / 39,994.31-60,023.97-20,278.51

Finding the Fourth Proportional to 39,994.31, 60,023.97 and 20,278.51

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Solution

The fourth proportional to 39,994.31, 60,023.97 and 20,278.51 is: 30,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,994.31 : 60,023.97 = 20,278.51 : x
  2. Step 2: Convert to fraction form
    39,994.31/60,023.97 = 20,278.51/x
  3. Step 3: Cross multiply
    39,994.31x = 60,023.97 × 20,278.51
  4. Step 4: Simplify right side
    39,994.31x = 1,217,196,525.82
  5. Step 5: Solve for x
    x = 1,217,196,525.82/39,994.31
  6. Step 6: Final answer
    x = 30,434.24

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.