Home / 51,418.32-70,962.51-31,276.59

Finding the Fourth Proportional to 51,418.32, 70,962.51 and 31,276.59

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Solution

The fourth proportional to 51,418.32, 70,962.51 and 31,276.59 is: 43,164.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,418.32 : 70,962.51 = 31,276.59 : x
  2. Step 2: Convert to fraction form
    51,418.32/70,962.51 = 31,276.59/x
  3. Step 3: Cross multiply
    51,418.32x = 70,962.51 × 31,276.59
  4. Step 4: Simplify right side
    51,418.32x = 2,219,465,330.64
  5. Step 5: Solve for x
    x = 2,219,465,330.64/51,418.32
  6. Step 6: Final answer
    x = 43,164.87

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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.