Home / 43,238.12-64,859.14-13,250.20

Finding the Fourth Proportional to 43,238.12, 64,859.14 and 13,250.20

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Solution

The fourth proportional to 43,238.12, 64,859.14 and 13,250.20 is: 19,875.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,238.12 : 64,859.14 = 13,250.20 : x
  2. Step 2: Convert to fraction form
    43,238.12/64,859.14 = 13,250.20/x
  3. Step 3: Cross multiply
    43,238.12x = 64,859.14 × 13,250.20
  4. Step 4: Simplify right side
    43,238.12x = 859,396,576.83
  5. Step 5: Solve for x
    x = 859,396,576.83/43,238.12
  6. Step 6: Final answer
    x = 19,875.90

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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.