Home / 40,347.12-55,672.61-22,442.07

Finding the Fourth Proportional to 40,347.12, 55,672.61 and 22,442.07

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Solution

The fourth proportional to 40,347.12, 55,672.61 and 22,442.07 is: 30,966.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,347.12 : 55,672.61 = 22,442.07 : x
  2. Step 2: Convert to fraction form
    40,347.12/55,672.61 = 22,442.07/x
  3. Step 3: Cross multiply
    40,347.12x = 55,672.61 × 22,442.07
  4. Step 4: Simplify right side
    40,347.12x = 1,249,408,498.49
  5. Step 5: Solve for x
    x = 1,249,408,498.49/40,347.12
  6. Step 6: Final answer
    x = 30,966.49

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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.