Home / 39,491.54-59,203.98-18,420.48

Finding the Fourth Proportional to 39,491.54, 59,203.98 and 18,420.48

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Solution

The fourth proportional to 39,491.54, 59,203.98 and 18,420.48 is: 27,615.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,491.54 : 59,203.98 = 18,420.48 : x
  2. Step 2: Convert to fraction form
    39,491.54/59,203.98 = 18,420.48/x
  3. Step 3: Cross multiply
    39,491.54x = 59,203.98 × 18,420.48
  4. Step 4: Simplify right side
    39,491.54x = 1,090,565,729.51
  5. Step 5: Solve for x
    x = 1,090,565,729.51/39,491.54
  6. Step 6: Final answer
    x = 27,615.17

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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.