Home / 54,395.96-81,594.66-21,117.92

Finding the Fourth Proportional to 54,395.96, 81,594.66 and 21,117.92

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Solution

The fourth proportional to 54,395.96, 81,594.66 and 21,117.92 is: 31,677.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,395.96 : 81,594.66 = 21,117.92 : x
  2. Step 2: Convert to fraction form
    54,395.96/81,594.66 = 21,117.92/x
  3. Step 3: Cross multiply
    54,395.96x = 81,594.66 × 21,117.92
  4. Step 4: Simplify right side
    54,395.96x = 1,723,109,502.31
  5. Step 5: Solve for x
    x = 1,723,109,502.31/54,395.96
  6. Step 6: Final answer
    x = 31,677.16

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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.