Home / 56,867.13-85,311.64-21,804.06

Finding the Fourth Proportional to 56,867.13, 85,311.64 and 21,804.06

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Solution

The fourth proportional to 56,867.13, 85,311.64 and 21,804.06 is: 32,710.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,867.13 : 85,311.64 = 21,804.06 : x
  2. Step 2: Convert to fraction form
    56,867.13/85,311.64 = 21,804.06/x
  3. Step 3: Cross multiply
    56,867.13x = 85,311.64 × 21,804.06
  4. Step 4: Simplify right side
    56,867.13x = 1,860,139,581.68
  5. Step 5: Solve for x
    x = 1,860,139,581.68/56,867.13
  6. Step 6: Final answer
    x = 32,710.28

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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.