Home / 40,151.04-55,406.80-22,246.80

Finding the Fourth Proportional to 40,151.04, 55,406.80 and 22,246.80

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Solution

The fourth proportional to 40,151.04, 55,406.80 and 22,246.80 is: 30,699.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,151.04 : 55,406.80 = 22,246.80 : x
  2. Step 2: Convert to fraction form
    40,151.04/55,406.80 = 22,246.80/x
  3. Step 3: Cross multiply
    40,151.04x = 55,406.80 × 22,246.80
  4. Step 4: Simplify right side
    40,151.04x = 1,232,623,998.24
  5. Step 5: Solve for x
    x = 1,232,623,998.24/40,151.04
  6. Step 6: Final answer
    x = 30,699.68

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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.