Home / 51,384.20-70,909.94-28,723.16

Finding the Fourth Proportional to 51,384.20, 70,909.94 and 28,723.16

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Solution

The fourth proportional to 51,384.20, 70,909.94 and 28,723.16 is: 39,637.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.20 : 70,909.94 = 28,723.16 : x
  2. Step 2: Convert to fraction form
    51,384.20/70,909.94 = 28,723.16/x
  3. Step 3: Cross multiply
    51,384.20x = 70,909.94 × 28,723.16
  4. Step 4: Simplify right side
    51,384.20x = 2,036,757,054.04
  5. Step 5: Solve for x
    x = 2,036,757,054.04/51,384.20
  6. Step 6: Final answer
    x = 39,637.81

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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.