Home / 39,615.09-54,670.32-22,622.10

Finding the Fourth Proportional to 39,615.09, 54,670.32 and 22,622.10

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Solution

The fourth proportional to 39,615.09, 54,670.32 and 22,622.10 is: 31,219.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,615.09 : 54,670.32 = 22,622.10 : x
  2. Step 2: Convert to fraction form
    39,615.09/54,670.32 = 22,622.10/x
  3. Step 3: Cross multiply
    39,615.09x = 54,670.32 × 22,622.10
  4. Step 4: Simplify right side
    39,615.09x = 1,236,757,446.07
  5. Step 5: Solve for x
    x = 1,236,757,446.07/39,615.09
  6. Step 6: Final answer
    x = 31,219.35

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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.