Home / 56,962.44-85,445.82-21,420.04

Finding the Fourth Proportional to 56,962.44, 85,445.82 and 21,420.04

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Solution

The fourth proportional to 56,962.44, 85,445.82 and 21,420.04 is: 32,130.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,962.44 : 85,445.82 = 21,420.04 : x
  2. Step 2: Convert to fraction form
    56,962.44/85,445.82 = 21,420.04/x
  3. Step 3: Cross multiply
    56,962.44x = 85,445.82 × 21,420.04
  4. Step 4: Simplify right side
    56,962.44x = 1,830,252,882.23
  5. Step 5: Solve for x
    x = 1,830,252,882.23/56,962.44
  6. Step 6: Final answer
    x = 32,130.87

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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.