Home / 51,392.30-70,943.23-31,255.64

Finding the Fourth Proportional to 51,392.30, 70,943.23 and 31,255.64

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Solution

The fourth proportional to 51,392.30, 70,943.23 and 31,255.64 is: 43,146.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,392.30 : 70,943.23 = 31,255.64 : x
  2. Step 2: Convert to fraction form
    51,392.30/70,943.23 = 31,255.64/x
  3. Step 3: Cross multiply
    51,392.30x = 70,943.23 × 31,255.64
  4. Step 4: Simplify right side
    51,392.30x = 2,217,376,007.71
  5. Step 5: Solve for x
    x = 2,217,376,007.71/51,392.30
  6. Step 6: Final answer
    x = 43,146.08

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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.