Home / 40,763.39-61,100.20-30,736

Finding the Fourth Proportional to 40,763.39, 61,100.20 and 30,736

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Solution

The fourth proportional to 40,763.39, 61,100.20 and 30,736 is: 46,070.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,763.39 : 61,100.20 = 30,736 : x
  2. Step 2: Convert to fraction form
    40,763.39/61,100.20 = 30,736/x
  3. Step 3: Cross multiply
    40,763.39x = 61,100.20 × 30,736
  4. Step 4: Simplify right side
    40,763.39x = 1,877,975,747.20
  5. Step 5: Solve for x
    x = 1,877,975,747.20/40,763.39
  6. Step 6: Final answer
    x = 46,070.16

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.