Home / 51,384.39-70,908.26-30,165.99

Finding the Fourth Proportional to 51,384.39, 70,908.26 and 30,165.99

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Solution

The fourth proportional to 51,384.39, 70,908.26 and 30,165.99 is: 41,627.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,384.39 : 70,908.26 = 30,165.99 : x
  2. Step 2: Convert to fraction form
    51,384.39/70,908.26 = 30,165.99/x
  3. Step 3: Cross multiply
    51,384.39x = 70,908.26 × 30,165.99
  4. Step 4: Simplify right side
    51,384.39x = 2,139,017,711.25
  5. Step 5: Solve for x
    x = 2,139,017,711.25/51,384.39
  6. Step 6: Final answer
    x = 41,627.77

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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.