Home / 34,781.81-47,998.90-19,674.14

Finding the Fourth Proportional to 34,781.81, 47,998.90 and 19,674.14

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Solution

The fourth proportional to 34,781.81, 47,998.90 and 19,674.14 is: 27,150.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,781.81 : 47,998.90 = 19,674.14 : x
  2. Step 2: Convert to fraction form
    34,781.81/47,998.90 = 19,674.14/x
  3. Step 3: Cross multiply
    34,781.81x = 47,998.90 × 19,674.14
  4. Step 4: Simplify right side
    34,781.81x = 944,337,022.37
  5. Step 5: Solve for x
    x = 944,337,022.37/34,781.81
  6. Step 6: Final answer
    x = 27,150.32

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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.