Home / 35,309.74-48,727.56-19,393.78

Finding the Fourth Proportional to 35,309.74, 48,727.56 and 19,393.78

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Solution

The fourth proportional to 35,309.74, 48,727.56 and 19,393.78 is: 26,763.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,309.74 : 48,727.56 = 19,393.78 : x
  2. Step 2: Convert to fraction form
    35,309.74/48,727.56 = 19,393.78/x
  3. Step 3: Cross multiply
    35,309.74x = 48,727.56 × 19,393.78
  4. Step 4: Simplify right side
    35,309.74x = 945,011,578.58
  5. Step 5: Solve for x
    x = 945,011,578.58/35,309.74
  6. Step 6: Final answer
    x = 26,763.48

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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.