Home / 53,231.04-79,845.36-21,641.04

Finding the Fourth Proportional to 53,231.04, 79,845.36 and 21,641.04

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Solution

The fourth proportional to 53,231.04, 79,845.36 and 21,641.04 is: 32,461.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,231.04 : 79,845.36 = 21,641.04 : x
  2. Step 2: Convert to fraction form
    53,231.04/79,845.36 = 21,641.04/x
  3. Step 3: Cross multiply
    53,231.04x = 79,845.36 × 21,641.04
  4. Step 4: Simplify right side
    53,231.04x = 1,727,936,629.57
  5. Step 5: Solve for x
    x = 1,727,936,629.57/53,231.04
  6. Step 6: Final answer
    x = 32,461.07

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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.