Home / 52,409.17-78,612.82-12,966.28

Finding the Fourth Proportional to 52,409.17, 78,612.82 and 12,966.28

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Solution

The fourth proportional to 52,409.17, 78,612.82 and 12,966.28 is: 19,449.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409.17 : 78,612.82 = 12,966.28 : x
  2. Step 2: Convert to fraction form
    52,409.17/78,612.82 = 12,966.28/x
  3. Step 3: Cross multiply
    52,409.17x = 78,612.82 × 12,966.28
  4. Step 4: Simplify right side
    52,409.17x = 1,019,315,835.71
  5. Step 5: Solve for x
    x = 1,019,315,835.71/52,409.17
  6. Step 6: Final answer
    x = 19,449.19

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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.