Home / 39,066.21-53,916.12-22,071.20

Finding the Fourth Proportional to 39,066.21, 53,916.12 and 22,071.20

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Solution

The fourth proportional to 39,066.21, 53,916.12 and 22,071.20 is: 30,460.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,066.21 : 53,916.12 = 22,071.20 : x
  2. Step 2: Convert to fraction form
    39,066.21/53,916.12 = 22,071.20/x
  3. Step 3: Cross multiply
    39,066.21x = 53,916.12 × 22,071.20
  4. Step 4: Simplify right side
    39,066.21x = 1,189,993,198.16
  5. Step 5: Solve for x
    x = 1,189,993,198.16/39,066.21
  6. Step 6: Final answer
    x = 30,460.93

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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.