Home / 53,434.68-80,122.41-21,866.90

Finding the Fourth Proportional to 53,434.68, 80,122.41 and 21,866.90

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Solution

The fourth proportional to 53,434.68, 80,122.41 and 21,866.90 is: 32,788.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,434.68 : 80,122.41 = 21,866.90 : x
  2. Step 2: Convert to fraction form
    53,434.68/80,122.41 = 21,866.90/x
  3. Step 3: Cross multiply
    53,434.68x = 80,122.41 × 21,866.90
  4. Step 4: Simplify right side
    53,434.68x = 1,752,028,727.23
  5. Step 5: Solve for x
    x = 1,752,028,727.23/53,434.68
  6. Step 6: Final answer
    x = 32,788.23

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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.