Home / 43,236.13-64,856.14-13,248.21

Finding the Fourth Proportional to 43,236.13, 64,856.14 and 13,248.21

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Solution

The fourth proportional to 43,236.13, 64,856.14 and 13,248.21 is: 19,872.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,236.13 : 64,856.14 = 13,248.21 : x
  2. Step 2: Convert to fraction form
    43,236.13/64,856.14 = 13,248.21/x
  3. Step 3: Cross multiply
    43,236.13x = 64,856.14 × 13,248.21
  4. Step 4: Simplify right side
    43,236.13x = 859,227,682.30
  5. Step 5: Solve for x
    x = 859,227,682.30/43,236.13
  6. Step 6: Final answer
    x = 19,872.91

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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.