Home / 42,724.24-64,086.36-31,111.36

Finding the Fourth Proportional to 42,724.24, 64,086.36 and 31,111.36

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Solution

The fourth proportional to 42,724.24, 64,086.36 and 31,111.36 is: 46,667.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,724.24 : 64,086.36 = 31,111.36 : x
  2. Step 2: Convert to fraction form
    42,724.24/64,086.36 = 31,111.36/x
  3. Step 3: Cross multiply
    42,724.24x = 64,086.36 × 31,111.36
  4. Step 4: Simplify right side
    42,724.24x = 1,993,813,817.05
  5. Step 5: Solve for x
    x = 1,993,813,817.05/42,724.24
  6. Step 6: Final answer
    x = 46,667.04

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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.