Home / 42,683.72-64,008.48-17,706.80

Finding the Fourth Proportional to 42,683.72, 64,008.48 and 17,706.80

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Solution

The fourth proportional to 42,683.72, 64,008.48 and 17,706.80 is: 26,553.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,683.72 : 64,008.48 = 17,706.80 : x
  2. Step 2: Convert to fraction form
    42,683.72/64,008.48 = 17,706.80/x
  3. Step 3: Cross multiply
    42,683.72x = 64,008.48 × 17,706.80
  4. Step 4: Simplify right side
    42,683.72x = 1,133,385,353.66
  5. Step 5: Solve for x
    x = 1,133,385,353.66/42,683.72
  6. Step 6: Final answer
    x = 26,553.11

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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.