Home / 51,011.62-70,392.36-31,899.97

Finding the Fourth Proportional to 51,011.62, 70,392.36 and 31,899.97

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Solution

The fourth proportional to 51,011.62, 70,392.36 and 31,899.97 is: 44,019.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,011.62 : 70,392.36 = 31,899.97 : x
  2. Step 2: Convert to fraction form
    51,011.62/70,392.36 = 31,899.97/x
  3. Step 3: Cross multiply
    51,011.62x = 70,392.36 × 31,899.97
  4. Step 4: Simplify right side
    51,011.62x = 2,245,513,996.25
  5. Step 5: Solve for x
    x = 2,245,513,996.25/51,011.62
  6. Step 6: Final answer
    x = 44,019.66

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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.