Home / 40,406.31-60,637.11-14,111.05

Finding the Fourth Proportional to 40,406.31, 60,637.11 and 14,111.05

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Solution

The fourth proportional to 40,406.31, 60,637.11 and 14,111.05 is: 21,176.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,406.31 : 60,637.11 = 14,111.05 : x
  2. Step 2: Convert to fraction form
    40,406.31/60,637.11 = 14,111.05/x
  3. Step 3: Cross multiply
    40,406.31x = 60,637.11 × 14,111.05
  4. Step 4: Simplify right side
    40,406.31x = 855,653,291.07
  5. Step 5: Solve for x
    x = 855,653,291.07/40,406.31
  6. Step 6: Final answer
    x = 21,176.23

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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.