Home / 54,710.32-82,102.39-21,426.23

Finding the Fourth Proportional to 54,710.32, 82,102.39 and 21,426.23

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Solution

The fourth proportional to 54,710.32, 82,102.39 and 21,426.23 is: 32,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    54,710.32 : 82,102.39 = 21,426.23 : x
  2. Step 2: Convert to fraction form
    54,710.32/82,102.39 = 21,426.23/x
  3. Step 3: Cross multiply
    54,710.32x = 82,102.39 × 21,426.23
  4. Step 4: Simplify right side
    54,710.32x = 1,759,144,691.69
  5. Step 5: Solve for x
    x = 1,759,144,691.69/54,710.32
  6. Step 6: Final answer
    x = 32,153.80

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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.