Home / 39,955.76-59,970.44-20,248.28

Finding the Fourth Proportional to 39,955.76, 59,970.44 and 20,248.28

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Solution

The fourth proportional to 39,955.76, 59,970.44 and 20,248.28 is: 30,391.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,955.76 : 59,970.44 = 20,248.28 : x
  2. Step 2: Convert to fraction form
    39,955.76/59,970.44 = 20,248.28/x
  3. Step 3: Cross multiply
    39,955.76x = 59,970.44 × 20,248.28
  4. Step 4: Simplify right side
    39,955.76x = 1,214,298,260.84
  5. Step 5: Solve for x
    x = 1,214,298,260.84/39,955.76
  6. Step 6: Final answer
    x = 30,391.07

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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.