Home / 35,966.81-49,634.65-20,860.11

Finding the Fourth Proportional to 35,966.81, 49,634.65 and 20,860.11

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Solution

The fourth proportional to 35,966.81, 49,634.65 and 20,860.11 is: 28,787.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,966.81 : 49,634.65 = 20,860.11 : x
  2. Step 2: Convert to fraction form
    35,966.81/49,634.65 = 20,860.11/x
  3. Step 3: Cross multiply
    35,966.81x = 49,634.65 × 20,860.11
  4. Step 4: Simplify right side
    35,966.81x = 1,035,384,086.62
  5. Step 5: Solve for x
    x = 1,035,384,086.62/35,966.81
  6. Step 6: Final answer
    x = 28,787.21

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1.5x scale

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.