Home / 39,970.02-55,158.39-22,066.14

Finding the Fourth Proportional to 39,970.02, 55,158.39 and 22,066.14

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Solution

The fourth proportional to 39,970.02, 55,158.39 and 22,066.14 is: 30,451.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,970.02 : 55,158.39 = 22,066.14 : x
  2. Step 2: Convert to fraction form
    39,970.02/55,158.39 = 22,066.14/x
  3. Step 3: Cross multiply
    39,970.02x = 55,158.39 × 22,066.14
  4. Step 4: Simplify right side
    39,970.02x = 1,217,132,755.91
  5. Step 5: Solve for x
    x = 1,217,132,755.91/39,970.02
  6. Step 6: Final answer
    x = 30,451.14

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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.