Home / 30,512.76-45,500.66-28,089.24

Finding the Fourth Proportional to 30,512.76, 45,500.66 and 28,089.24

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Solution

The fourth proportional to 30,512.76, 45,500.66 and 28,089.24 is: 41,886.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,512.76 : 45,500.66 = 28,089.24 : x
  2. Step 2: Convert to fraction form
    30,512.76/45,500.66 = 28,089.24/x
  3. Step 3: Cross multiply
    30,512.76x = 45,500.66 × 28,089.24
  4. Step 4: Simplify right side
    30,512.76x = 1,278,078,818.45
  5. Step 5: Solve for x
    x = 1,278,078,818.45/30,512.76
  6. Step 6: Final answer
    x = 41,886.70

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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.