Home / 51,744.96-71,389.62-30,519.72

Finding the Fourth Proportional to 51,744.96, 71,389.62 and 30,519.72

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Solution

The fourth proportional to 51,744.96, 71,389.62 and 30,519.72 is: 42,106.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,744.96 : 71,389.62 = 30,519.72 : x
  2. Step 2: Convert to fraction form
    51,744.96/71,389.62 = 30,519.72/x
  3. Step 3: Cross multiply
    51,744.96x = 71,389.62 × 30,519.72
  4. Step 4: Simplify right side
    51,744.96x = 2,178,791,213.31
  5. Step 5: Solve for x
    x = 2,178,791,213.31/51,744.96
  6. Step 6: Final answer
    x = 42,106.35

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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.