Home / 51,145.04-70,559.88-31,284.56

Finding the Fourth Proportional to 51,145.04, 70,559.88 and 31,284.56

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Solution

The fourth proportional to 51,145.04, 70,559.88 and 31,284.56 is: 43,160.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,145.04 : 70,559.88 = 31,284.56 : x
  2. Step 2: Convert to fraction form
    51,145.04/70,559.88 = 31,284.56/x
  3. Step 3: Cross multiply
    51,145.04x = 70,559.88 × 31,284.56
  4. Step 4: Simplify right side
    51,145.04x = 2,207,434,799.45
  5. Step 5: Solve for x
    x = 2,207,434,799.45/51,145.04
  6. Step 6: Final answer
    x = 43,160.29

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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.