Home / 39,749.79-54,852.12-22,754.16

Finding the Fourth Proportional to 39,749.79, 54,852.12 and 22,754.16

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Solution

The fourth proportional to 39,749.79, 54,852.12 and 22,754.16 is: 31,399.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,749.79 : 54,852.12 = 22,754.16 : x
  2. Step 2: Convert to fraction form
    39,749.79/54,852.12 = 22,754.16/x
  3. Step 3: Cross multiply
    39,749.79x = 54,852.12 × 22,754.16
  4. Step 4: Simplify right side
    39,749.79x = 1,248,113,914.82
  5. Step 5: Solve for x
    x = 1,248,113,914.82/39,749.79
  6. Step 6: Final answer
    x = 31,399.26

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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.