Home / 40,048.48-60,076.81-15,109.51

Finding the Fourth Proportional to 40,048.48, 60,076.81 and 15,109.51

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Solution

The fourth proportional to 40,048.48, 60,076.81 and 15,109.51 is: 22,665.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,048.48 : 60,076.81 = 15,109.51 : x
  2. Step 2: Convert to fraction form
    40,048.48/60,076.81 = 15,109.51/x
  3. Step 3: Cross multiply
    40,048.48x = 60,076.81 × 15,109.51
  4. Step 4: Simplify right side
    40,048.48x = 907,731,354.26
  5. Step 5: Solve for x
    x = 907,731,354.26/40,048.48
  6. Step 6: Final answer
    x = 22,665.82

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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.