Home / 39,875.82-59,822.99-13,580.79

Finding the Fourth Proportional to 39,875.82, 59,822.99 and 13,580.79

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Solution

The fourth proportional to 39,875.82, 59,822.99 and 13,580.79 is: 20,374.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,875.82 : 59,822.99 = 13,580.79 : x
  2. Step 2: Convert to fraction form
    39,875.82/59,822.99 = 13,580.79/x
  3. Step 3: Cross multiply
    39,875.82x = 59,822.99 × 13,580.79
  4. Step 4: Simplify right side
    39,875.82x = 812,443,396.46
  5. Step 5: Solve for x
    x = 812,443,396.46/39,875.82
  6. Step 6: Final answer
    x = 20,374.34

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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.