Home / 43,005.51-64,515.83-19,634.31

Finding the Fourth Proportional to 43,005.51, 64,515.83 and 19,634.31

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Solution

The fourth proportional to 43,005.51, 64,515.83 and 19,634.31 is: 29,454.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,005.51 : 64,515.83 = 19,634.31 : x
  2. Step 2: Convert to fraction form
    43,005.51/64,515.83 = 19,634.31/x
  3. Step 3: Cross multiply
    43,005.51x = 64,515.83 × 19,634.31
  4. Step 4: Simplify right side
    43,005.51x = 1,266,723,806.13
  5. Step 5: Solve for x
    x = 1,266,723,806.13/43,005.51
  6. Step 6: Final answer
    x = 29,454.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.