Home / 39,969.19-59,949.53-21,229.34

Finding the Fourth Proportional to 39,969.19, 59,949.53 and 21,229.34

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Solution

The fourth proportional to 39,969.19, 59,949.53 and 21,229.34 is: 31,841.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,969.19 : 59,949.53 = 21,229.34 : x
  2. Step 2: Convert to fraction form
    39,969.19/59,949.53 = 21,229.34/x
  3. Step 3: Cross multiply
    39,969.19x = 59,949.53 × 21,229.34
  4. Step 4: Simplify right side
    39,969.19x = 1,272,688,549.32
  5. Step 5: Solve for x
    x = 1,272,688,549.32/39,969.19
  6. Step 6: Final answer
    x = 31,841.74

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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.