Home / 40,291.86-55,602.35-22,386.47

Finding the Fourth Proportional to 40,291.86, 55,602.35 and 22,386.47

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Solution

The fourth proportional to 40,291.86, 55,602.35 and 22,386.47 is: 30,893.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,291.86 : 55,602.35 = 22,386.47 : x
  2. Step 2: Convert to fraction form
    40,291.86/55,602.35 = 22,386.47/x
  3. Step 3: Cross multiply
    40,291.86x = 55,602.35 × 22,386.47
  4. Step 4: Simplify right side
    40,291.86x = 1,244,740,340.20
  5. Step 5: Solve for x
    x = 1,244,740,340.20/40,291.86
  6. Step 6: Final answer
    x = 30,893.10

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.