Home / 51,322.26-70,830.87-31,182.42

Finding the Fourth Proportional to 51,322.26, 70,830.87 and 31,182.42

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Solution

The fourth proportional to 51,322.26, 70,830.87 and 31,182.42 is: 43,035.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,322.26 : 70,830.87 = 31,182.42 : x
  2. Step 2: Convert to fraction form
    51,322.26/70,830.87 = 31,182.42/x
  3. Step 3: Cross multiply
    51,322.26x = 70,830.87 × 31,182.42
  4. Step 4: Simplify right side
    51,322.26x = 2,208,677,937.31
  5. Step 5: Solve for x
    x = 2,208,677,937.31/51,322.26
  6. Step 6: Final answer
    x = 43,035.48

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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.