Home / 43,990.71-65,986.08-10,710.78

Finding the Fourth Proportional to 43,990.71, 65,986.08 and 10,710.78

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Solution

The fourth proportional to 43,990.71, 65,986.08 and 10,710.78 is: 16,066.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,990.71 : 65,986.08 = 10,710.78 : x
  2. Step 2: Convert to fraction form
    43,990.71/65,986.08 = 10,710.78/x
  3. Step 3: Cross multiply
    43,990.71x = 65,986.08 × 10,710.78
  4. Step 4: Simplify right side
    43,990.71x = 706,762,385.94
  5. Step 5: Solve for x
    x = 706,762,385.94/43,990.71
  6. Step 6: Final answer
    x = 16,066.17

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1.5x scale

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.