Home / 37,630.49-51,930.66-20,636.29

Finding the Fourth Proportional to 37,630.49, 51,930.66 and 20,636.29

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Solution

The fourth proportional to 37,630.49, 51,930.66 and 20,636.29 is: 28,478.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,630.49 : 51,930.66 = 20,636.29 : x
  2. Step 2: Convert to fraction form
    37,630.49/51,930.66 = 20,636.29/x
  3. Step 3: Cross multiply
    37,630.49x = 51,930.66 × 20,636.29
  4. Step 4: Simplify right side
    37,630.49x = 1,071,655,900.00
  5. Step 5: Solve for x
    x = 1,071,655,900.00/37,630.49
  6. Step 6: Final answer
    x = 28,478.39

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1.5x scale

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.