Home / 43,091.39-64,637.08-13,511.51

Finding the Fourth Proportional to 43,091.39, 64,637.08 and 13,511.51

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Solution

The fourth proportional to 43,091.39, 64,637.08 and 13,511.51 is: 20,267.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,091.39 : 64,637.08 = 13,511.51 : x
  2. Step 2: Convert to fraction form
    43,091.39/64,637.08 = 13,511.51/x
  3. Step 3: Cross multiply
    43,091.39x = 64,637.08 × 13,511.51
  4. Step 4: Simplify right side
    43,091.39x = 873,344,229.61
  5. Step 5: Solve for x
    x = 873,344,229.61/43,091.39
  6. Step 6: Final answer
    x = 20,267.26

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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.