Home / 42,994.17-64,414.68-36,690.12

Finding the Fourth Proportional to 42,994.17, 64,414.68 and 36,690.12

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Solution

The fourth proportional to 42,994.17, 64,414.68 and 36,690.12 is: 54,969.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,994.17 : 64,414.68 = 36,690.12 : x
  2. Step 2: Convert to fraction form
    42,994.17/64,414.68 = 36,690.12/x
  3. Step 3: Cross multiply
    42,994.17x = 64,414.68 × 36,690.12
  4. Step 4: Simplify right side
    42,994.17x = 2,363,382,338.96
  5. Step 5: Solve for x
    x = 2,363,382,338.96/42,994.17
  6. Step 6: Final answer
    x = 54,969.83

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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.