Home / 42,699.30-64,015.79-27,674.70

Finding the Fourth Proportional to 42,699.30, 64,015.79 and 27,674.70

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Solution

The fourth proportional to 42,699.30, 64,015.79 and 27,674.70 is: 41,490.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,699.30 : 64,015.79 = 27,674.70 : x
  2. Step 2: Convert to fraction form
    42,699.30/64,015.79 = 27,674.70/x
  3. Step 3: Cross multiply
    42,699.30x = 64,015.79 × 27,674.70
  4. Step 4: Simplify right side
    42,699.30x = 1,771,617,645.14
  5. Step 5: Solve for x
    x = 1,771,617,645.14/42,699.30
  6. Step 6: Final answer
    x = 41,490.55

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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.