Home / 43,232.10-64,856.04-21,045.54

Finding the Fourth Proportional to 43,232.10, 64,856.04 and 21,045.54

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Solution

The fourth proportional to 43,232.10, 64,856.04 and 21,045.54 is: 31,572.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,232.10 : 64,856.04 = 21,045.54 : x
  2. Step 2: Convert to fraction form
    43,232.10/64,856.04 = 21,045.54/x
  3. Step 3: Cross multiply
    43,232.10x = 64,856.04 × 21,045.54
  4. Step 4: Simplify right side
    43,232.10x = 1,364,930,384.06
  5. Step 5: Solve for x
    x = 1,364,930,384.06/43,232.10
  6. Step 6: Final answer
    x = 31,572.15

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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.