Home / 56,734.28-85,101.87-19,302.86

Finding the Fourth Proportional to 56,734.28, 85,101.87 and 19,302.86

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Solution

The fourth proportional to 56,734.28, 85,101.87 and 19,302.86 is: 28,954.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,734.28 : 85,101.87 = 19,302.86 : x
  2. Step 2: Convert to fraction form
    56,734.28/85,101.87 = 19,302.86/x
  3. Step 3: Cross multiply
    56,734.28x = 85,101.87 × 19,302.86
  4. Step 4: Simplify right side
    56,734.28x = 1,642,709,056.84
  5. Step 5: Solve for x
    x = 1,642,709,056.84/56,734.28
  6. Step 6: Final answer
    x = 28,954.44

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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.