Home / 39,949.29-59,903.43-21,239.50

Finding the Fourth Proportional to 39,949.29, 59,903.43 and 21,239.50

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Solution

The fourth proportional to 39,949.29, 59,903.43 and 21,239.50 is: 31,848.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,949.29 : 59,903.43 = 21,239.50 : x
  2. Step 2: Convert to fraction form
    39,949.29/59,903.43 = 21,239.50/x
  3. Step 3: Cross multiply
    39,949.29x = 59,903.43 × 21,239.50
  4. Step 4: Simplify right side
    39,949.29x = 1,272,318,901.49
  5. Step 5: Solve for x
    x = 1,272,318,901.49/39,949.29
  6. Step 6: Final answer
    x = 31,848.35

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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.