Home / 43,242.34-64,858.14-11,654.87

Finding the Fourth Proportional to 43,242.34, 64,858.14 and 11,654.87

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Solution

The fourth proportional to 43,242.34, 64,858.14 and 11,654.87 is: 17,480.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,242.34 : 64,858.14 = 11,654.87 : x
  2. Step 2: Convert to fraction form
    43,242.34/64,858.14 = 11,654.87/x
  3. Step 3: Cross multiply
    43,242.34x = 64,858.14 × 11,654.87
  4. Step 4: Simplify right side
    43,242.34x = 755,913,263.46
  5. Step 5: Solve for x
    x = 755,913,263.46/43,242.34
  6. Step 6: Final answer
    x = 17,480.86

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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.