Home / 40,726.78-61,076.50-18,223.36

Finding the Fourth Proportional to 40,726.78, 61,076.50 and 18,223.36

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Solution

The fourth proportional to 40,726.78, 61,076.50 and 18,223.36 is: 27,328.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,726.78 : 61,076.50 = 18,223.36 : x
  2. Step 2: Convert to fraction form
    40,726.78/61,076.50 = 18,223.36/x
  3. Step 3: Cross multiply
    40,726.78x = 61,076.50 × 18,223.36
  4. Step 4: Simplify right side
    40,726.78x = 1,113,018,848.79
  5. Step 5: Solve for x
    x = 1,113,018,848.79/40,726.78
  6. Step 6: Final answer
    x = 27,328.92

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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.