Home / 39,991.86-55,192.04-23,001.62

Finding the Fourth Proportional to 39,991.86, 55,192.04 and 23,001.62

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Solution

The fourth proportional to 39,991.86, 55,192.04 and 23,001.62 is: 31,744.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,991.86 : 55,192.04 = 23,001.62 : x
  2. Step 2: Convert to fraction form
    39,991.86/55,192.04 = 23,001.62/x
  3. Step 3: Cross multiply
    39,991.86x = 55,192.04 × 23,001.62
  4. Step 4: Simplify right side
    39,991.86x = 1,269,506,331.10
  5. Step 5: Solve for x
    x = 1,269,506,331.10/39,991.86
  6. Step 6: Final answer
    x = 31,744.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.