Home / 52,639.96-78,994.32-19,360.36

Finding the Fourth Proportional to 52,639.96, 78,994.32 and 19,360.36

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Solution

The fourth proportional to 52,639.96, 78,994.32 and 19,360.36 is: 29,053.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,639.96 : 78,994.32 = 19,360.36 : x
  2. Step 2: Convert to fraction form
    52,639.96/78,994.32 = 19,360.36/x
  3. Step 3: Cross multiply
    52,639.96x = 78,994.32 × 19,360.36
  4. Step 4: Simplify right side
    52,639.96x = 1,529,358,473.16
  5. Step 5: Solve for x
    x = 1,529,358,473.16/52,639.96
  6. Step 6: Final answer
    x = 29,053.18

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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.