Home / 56,090.57-84,135.15-13,971.02

Finding the Fourth Proportional to 56,090.57, 84,135.15 and 13,971.02

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Solution

The fourth proportional to 56,090.57, 84,135.15 and 13,971.02 is: 20,956.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,090.57 : 84,135.15 = 13,971.02 : x
  2. Step 2: Convert to fraction form
    56,090.57/84,135.15 = 13,971.02/x
  3. Step 3: Cross multiply
    56,090.57x = 84,135.15 × 13,971.02
  4. Step 4: Simplify right side
    56,090.57x = 1,175,453,442.68
  5. Step 5: Solve for x
    x = 1,175,453,442.68/56,090.57
  6. Step 6: Final answer
    x = 20,956.35

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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.