Home / 40,057.99-55,280.38-22,154.20

Finding the Fourth Proportional to 40,057.99, 55,280.38 and 22,154.20

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Solution

The fourth proportional to 40,057.99, 55,280.38 and 22,154.20 is: 30,572.99

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,057.99 : 55,280.38 = 22,154.20 : x
  2. Step 2: Convert to fraction form
    40,057.99/55,280.38 = 22,154.20/x
  3. Step 3: Cross multiply
    40,057.99x = 55,280.38 × 22,154.20
  4. Step 4: Simplify right side
    40,057.99x = 1,224,692,594.60
  5. Step 5: Solve for x
    x = 1,224,692,594.60/40,057.99
  6. Step 6: Final answer
    x = 30,572.99

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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.