Home / 52,215.36-78,224.40-40,471.08

Finding the Fourth Proportional to 52,215.36, 78,224.40 and 40,471.08

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Solution

The fourth proportional to 52,215.36, 78,224.40 and 40,471.08 is: 60,630.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,215.36 : 78,224.40 = 40,471.08 : x
  2. Step 2: Convert to fraction form
    52,215.36/78,224.40 = 40,471.08/x
  3. Step 3: Cross multiply
    52,215.36x = 78,224.40 × 40,471.08
  4. Step 4: Simplify right side
    52,215.36x = 3,165,825,950.35
  5. Step 5: Solve for x
    x = 3,165,825,950.35/52,215.36
  6. Step 6: Final answer
    x = 60,630.17

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.