Home / 39,656.16-54,715.84-22,889.12

Finding the Fourth Proportional to 39,656.16, 54,715.84 and 22,889.12

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Solution

The fourth proportional to 39,656.16, 54,715.84 and 22,889.12 is: 31,581.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,656.16 : 54,715.84 = 22,889.12 : x
  2. Step 2: Convert to fraction form
    39,656.16/54,715.84 = 22,889.12/x
  3. Step 3: Cross multiply
    39,656.16x = 54,715.84 × 22,889.12
  4. Step 4: Simplify right side
    39,656.16x = 1,252,397,427.66
  5. Step 5: Solve for x
    x = 1,252,397,427.66/39,656.16
  6. Step 6: Final answer
    x = 31,581.41

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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.