Home / 56,712.60-85,101.30-21,677.40

Finding the Fourth Proportional to 56,712.60, 85,101.30 and 21,677.40

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Solution

The fourth proportional to 56,712.60, 85,101.30 and 21,677.40 is: 32,528.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,712.60 : 85,101.30 = 21,677.40 : x
  2. Step 2: Convert to fraction form
    56,712.60/85,101.30 = 21,677.40/x
  3. Step 3: Cross multiply
    56,712.60x = 85,101.30 × 21,677.40
  4. Step 4: Simplify right side
    56,712.60x = 1,844,774,920.62
  5. Step 5: Solve for x
    x = 1,844,774,920.62/56,712.60
  6. Step 6: Final answer
    x = 32,528.48

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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.