Home / 43,125.72-64,666.66-19,732.11

Finding the Fourth Proportional to 43,125.72, 64,666.66 and 19,732.11

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Solution

The fourth proportional to 43,125.72, 64,666.66 and 19,732.11 is: 29,588.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.72 : 64,666.66 = 19,732.11 : x
  2. Step 2: Convert to fraction form
    43,125.72/64,666.66 = 19,732.11/x
  3. Step 3: Cross multiply
    43,125.72x = 64,666.66 × 19,732.11
  4. Step 4: Simplify right side
    43,125.72x = 1,276,009,648.45
  5. Step 5: Solve for x
    x = 1,276,009,648.45/43,125.72
  6. Step 6: Final answer
    x = 29,588.14

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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.