Home / 53,426.97-80,110.84-21,859.18

Finding the Fourth Proportional to 53,426.97, 80,110.84 and 21,859.18

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Solution

The fourth proportional to 53,426.97, 80,110.84 and 21,859.18 is: 32,776.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,426.97 : 80,110.84 = 21,859.18 : x
  2. Step 2: Convert to fraction form
    53,426.97/80,110.84 = 21,859.18/x
  3. Step 3: Cross multiply
    53,426.97x = 80,110.84 × 21,859.18
  4. Step 4: Simplify right side
    53,426.97x = 1,751,157,271.51
  5. Step 5: Solve for x
    x = 1,751,157,271.51/53,426.97
  6. Step 6: Final answer
    x = 32,776.65

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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.