Home / 36,730.08-50,686.47-20,819.66

Finding the Fourth Proportional to 36,730.08, 50,686.47 and 20,819.66

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Solution

The fourth proportional to 36,730.08, 50,686.47 and 20,819.66 is: 28,730.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,730.08 : 50,686.47 = 20,819.66 : x
  2. Step 2: Convert to fraction form
    36,730.08/50,686.47 = 20,819.66/x
  3. Step 3: Cross multiply
    36,730.08x = 50,686.47 × 20,819.66
  4. Step 4: Simplify right side
    36,730.08x = 1,055,274,818.57
  5. Step 5: Solve for x
    x = 1,055,274,818.57/36,730.08
  6. Step 6: Final answer
    x = 28,730.53

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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.