Home / 40,916.21-61,374.31-18,714.06

Finding the Fourth Proportional to 40,916.21, 61,374.31 and 18,714.06

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Solution

The fourth proportional to 40,916.21, 61,374.31 and 18,714.06 is: 28,071.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,916.21 : 61,374.31 = 18,714.06 : x
  2. Step 2: Convert to fraction form
    40,916.21/61,374.31 = 18,714.06/x
  3. Step 3: Cross multiply
    40,916.21x = 61,374.31 × 18,714.06
  4. Step 4: Simplify right side
    40,916.21x = 1,148,562,473.01
  5. Step 5: Solve for x
    x = 1,148,562,473.01/40,916.21
  6. Step 6: Final answer
    x = 28,071.09

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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.