Home / 73,669.20-110,503.68-18,265.20

Finding the Fourth Proportional to 73,669.20, 110,503.68 and 18,265.20

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Solution

The fourth proportional to 73,669.20, 110,503.68 and 18,265.20 is: 27,397.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,669.20 : 110,503.68 = 18,265.20 : x
  2. Step 2: Convert to fraction form
    73,669.20/110,503.68 = 18,265.20/x
  3. Step 3: Cross multiply
    73,669.20x = 110,503.68 × 18,265.20
  4. Step 4: Simplify right side
    73,669.20x = 2,018,371,815.94
  5. Step 5: Solve for x
    x = 2,018,371,815.94/73,669.20
  6. Step 6: Final answer
    x = 27,397.77

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1.5x scale

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.