Home / 30,767.24-45,909.38-28,886.42

Finding the Fourth Proportional to 30,767.24, 45,909.38 and 28,886.42

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Solution

The fourth proportional to 30,767.24, 45,909.38 and 28,886.42 is: 43,102.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,767.24 : 45,909.38 = 28,886.42 : x
  2. Step 2: Convert to fraction form
    30,767.24/45,909.38 = 28,886.42/x
  3. Step 3: Cross multiply
    30,767.24x = 45,909.38 × 28,886.42
  4. Step 4: Simplify right side
    30,767.24x = 1,326,157,819.61
  5. Step 5: Solve for x
    x = 1,326,157,819.61/30,767.24
  6. Step 6: Final answer
    x = 43,102.91

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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.