Home / 55,241.16-82,849.80-15,787.68

Finding the Fourth Proportional to 55,241.16, 82,849.80 and 15,787.68

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Solution

The fourth proportional to 55,241.16, 82,849.80 and 15,787.68 is: 23,678.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,241.16 : 82,849.80 = 15,787.68 : x
  2. Step 2: Convert to fraction form
    55,241.16/82,849.80 = 15,787.68/x
  3. Step 3: Cross multiply
    55,241.16x = 82,849.80 × 15,787.68
  4. Step 4: Simplify right side
    55,241.16x = 1,308,006,130.46
  5. Step 5: Solve for x
    x = 1,308,006,130.46/55,241.16
  6. Step 6: Final answer
    x = 23,678.11

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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.