Home / 40,743.91-61,119.71-14,442.40

Finding the Fourth Proportional to 40,743.91, 61,119.71 and 14,442.40

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Solution

The fourth proportional to 40,743.91, 61,119.71 and 14,442.40 is: 21,664.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,743.91 : 61,119.71 = 14,442.40 : x
  2. Step 2: Convert to fraction form
    40,743.91/61,119.71 = 14,442.40/x
  3. Step 3: Cross multiply
    40,743.91x = 61,119.71 × 14,442.40
  4. Step 4: Simplify right side
    40,743.91x = 882,714,921.89
  5. Step 5: Solve for x
    x = 882,714,921.89/40,743.91
  6. Step 6: Final answer
    x = 21,664.96

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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.