Home / 50,800.12-70,106.69-30,656.66

Finding the Fourth Proportional to 50,800.12, 70,106.69 and 30,656.66

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Solution

The fourth proportional to 50,800.12, 70,106.69 and 30,656.66 is: 42,307.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,800.12 : 70,106.69 = 30,656.66 : x
  2. Step 2: Convert to fraction form
    50,800.12/70,106.69 = 30,656.66/x
  3. Step 3: Cross multiply
    50,800.12x = 70,106.69 × 30,656.66
  4. Step 4: Simplify right side
    50,800.12x = 2,149,236,685.16
  5. Step 5: Solve for x
    x = 2,149,236,685.16/50,800.12
  6. Step 6: Final answer
    x = 42,307.71

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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.