Home / 56,729.72-85,094.56-15,175.64

Finding the Fourth Proportional to 56,729.72, 85,094.56 and 15,175.64

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Solution

The fourth proportional to 56,729.72, 85,094.56 and 15,175.64 is: 22,763.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,729.72 : 85,094.56 = 15,175.64 : x
  2. Step 2: Convert to fraction form
    56,729.72/85,094.56 = 15,175.64/x
  3. Step 3: Cross multiply
    56,729.72x = 85,094.56 × 15,175.64
  4. Step 4: Simplify right side
    56,729.72x = 1,291,364,408.52
  5. Step 5: Solve for x
    x = 1,291,364,408.52/56,729.72
  6. Step 6: Final answer
    x = 22,763.45

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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.