Home / 30,514.37-45,645.17-28,648.13

Finding the Fourth Proportional to 30,514.37, 45,645.17 and 28,648.13

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Solution

The fourth proportional to 30,514.37, 45,645.17 and 28,648.13 is: 42,853.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,514.37 : 45,645.17 = 28,648.13 : x
  2. Step 2: Convert to fraction form
    30,514.37/45,645.17 = 28,648.13/x
  3. Step 3: Cross multiply
    30,514.37x = 45,645.17 × 28,648.13
  4. Step 4: Simplify right side
    30,514.37x = 1,307,648,392.57
  5. Step 5: Solve for x
    x = 1,307,648,392.57/30,514.37
  6. Step 6: Final answer
    x = 42,853.53

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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.