Home / 53,584.11-73,931.22-30,921.51

Finding the Fourth Proportional to 53,584.11, 73,931.22 and 30,921.51

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Solution

The fourth proportional to 53,584.11, 73,931.22 and 30,921.51 is: 42,663.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,584.11 : 73,931.22 = 30,921.51 : x
  2. Step 2: Convert to fraction form
    53,584.11/73,931.22 = 30,921.51/x
  3. Step 3: Cross multiply
    53,584.11x = 73,931.22 × 30,921.51
  4. Step 4: Simplify right side
    53,584.11x = 2,286,064,958.54
  5. Step 5: Solve for x
    x = 2,286,064,958.54/53,584.11
  6. Step 6: Final answer
    x = 42,663.11

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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.