Home / 35,787.86-49,394.49-20,681.15

Finding the Fourth Proportional to 35,787.86, 49,394.49 and 20,681.15

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Solution

The fourth proportional to 35,787.86, 49,394.49 and 20,681.15 is: 28,544.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,787.86 : 49,394.49 = 20,681.15 : x
  2. Step 2: Convert to fraction form
    35,787.86/49,394.49 = 20,681.15/x
  3. Step 3: Cross multiply
    35,787.86x = 49,394.49 × 20,681.15
  4. Step 4: Simplify right side
    35,787.86x = 1,021,534,856.86
  5. Step 5: Solve for x
    x = 1,021,534,856.86/35,787.86
  6. Step 6: Final answer
    x = 28,544.18

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.