Home / 56,399.22-84,595.72-18,955.43

Finding the Fourth Proportional to 56,399.22, 84,595.72 and 18,955.43

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Solution

The fourth proportional to 56,399.22, 84,595.72 and 18,955.43 is: 28,432.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,399.22 : 84,595.72 = 18,955.43 : x
  2. Step 2: Convert to fraction form
    56,399.22/84,595.72 = 18,955.43/x
  3. Step 3: Cross multiply
    56,399.22x = 84,595.72 × 18,955.43
  4. Step 4: Simplify right side
    56,399.22x = 1,603,547,989.88
  5. Step 5: Solve for x
    x = 1,603,547,989.88/56,399.22
  6. Step 6: Final answer
    x = 28,432.10

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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.