Home / 30,648.42-45,786.33-19,465.56

Finding the Fourth Proportional to 30,648.42, 45,786.33 and 19,465.56

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Solution

The fourth proportional to 30,648.42, 45,786.33 and 19,465.56 is: 29,080.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,648.42 : 45,786.33 = 19,465.56 : x
  2. Step 2: Convert to fraction form
    30,648.42/45,786.33 = 19,465.56/x
  3. Step 3: Cross multiply
    30,648.42x = 45,786.33 × 19,465.56
  4. Step 4: Simplify right side
    30,648.42x = 891,256,553.79
  5. Step 5: Solve for x
    x = 891,256,553.79/30,648.42
  6. Step 6: Final answer
    x = 29,080.02

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.