Home / 51,433.68-70,979.04-30,213.84

Finding the Fourth Proportional to 51,433.68, 70,979.04 and 30,213.84

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Solution

The fourth proportional to 51,433.68, 70,979.04 and 30,213.84 is: 41,695.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,433.68 : 70,979.04 = 30,213.84 : x
  2. Step 2: Convert to fraction form
    51,433.68/70,979.04 = 30,213.84/x
  3. Step 3: Cross multiply
    51,433.68x = 70,979.04 × 30,213.84
  4. Step 4: Simplify right side
    51,433.68x = 2,144,549,357.91
  5. Step 5: Solve for x
    x = 2,144,549,357.91/51,433.68
  6. Step 6: Final answer
    x = 41,695.43

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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.