Home / 43,456.71-59,971.10-28,359.03

Finding the Fourth Proportional to 43,456.71, 59,971.10 and 28,359.03

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Solution

The fourth proportional to 43,456.71, 59,971.10 and 28,359.03 is: 39,136.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,456.71 : 59,971.10 = 28,359.03 : x
  2. Step 2: Convert to fraction form
    43,456.71/59,971.10 = 28,359.03/x
  3. Step 3: Cross multiply
    43,456.71x = 59,971.10 × 28,359.03
  4. Step 4: Simplify right side
    43,456.71x = 1,700,722,224.03
  5. Step 5: Solve for x
    x = 1,700,722,224.03/43,456.71
  6. Step 6: Final answer
    x = 39,136.01

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.