Home / 43,125.02-64,665.66-19,731.40

Finding the Fourth Proportional to 43,125.02, 64,665.66 and 19,731.40

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Solution

The fourth proportional to 43,125.02, 64,665.66 and 19,731.40 is: 29,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,125.02 : 64,665.66 = 19,731.40 : x
  2. Step 2: Convert to fraction form
    43,125.02/64,665.66 = 19,731.40/x
  3. Step 3: Cross multiply
    43,125.02x = 64,665.66 × 19,731.40
  4. Step 4: Simplify right side
    43,125.02x = 1,275,944,003.72
  5. Step 5: Solve for x
    x = 1,275,944,003.72/43,125.02
  6. Step 6: Final answer
    x = 29,587.09

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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.