Home / 45,608.09-68,394.69-21,909.04

Finding the Fourth Proportional to 45,608.09, 68,394.69 and 21,909.04

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Solution

The fourth proportional to 45,608.09, 68,394.69 and 21,909.04 is: 32,855.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,608.09 : 68,394.69 = 21,909.04 : x
  2. Step 2: Convert to fraction form
    45,608.09/68,394.69 = 21,909.04/x
  3. Step 3: Cross multiply
    45,608.09x = 68,394.69 × 21,909.04
  4. Step 4: Simplify right side
    45,608.09x = 1,498,461,828.01
  5. Step 5: Solve for x
    x = 1,498,461,828.01/45,608.09
  6. Step 6: Final answer
    x = 32,855.18

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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.