Home / 57,664.47-86,509.40-17,688.96

Finding the Fourth Proportional to 57,664.47, 86,509.40 and 17,688.96

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Solution

The fourth proportional to 57,664.47, 86,509.40 and 17,688.96 is: 26,537.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,664.47 : 86,509.40 = 17,688.96 : x
  2. Step 2: Convert to fraction form
    57,664.47/86,509.40 = 17,688.96/x
  3. Step 3: Cross multiply
    57,664.47x = 86,509.40 × 17,688.96
  4. Step 4: Simplify right side
    57,664.47x = 1,530,261,158.60
  5. Step 5: Solve for x
    x = 1,530,261,158.60/57,664.47
  6. Step 6: Final answer
    x = 26,537.33

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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.