Home / 51,806.44-71,493-30,587.08

Finding the Fourth Proportional to 51,806.44, 71,493 and 30,587.08

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Solution

The fourth proportional to 51,806.44, 71,493 and 30,587.08 is: 42,210.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,806.44 : 71,493 = 30,587.08 : x
  2. Step 2: Convert to fraction form
    51,806.44/71,493 = 30,587.08/x
  3. Step 3: Cross multiply
    51,806.44x = 71,493 × 30,587.08
  4. Step 4: Simplify right side
    51,806.44x = 2,186,762,110.44
  5. Step 5: Solve for x
    x = 2,186,762,110.44/51,806.44
  6. Step 6: Final answer
    x = 42,210.24

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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.