Home / 56,636.18-84,901.20-19,170.04

Finding the Fourth Proportional to 56,636.18, 84,901.20 and 19,170.04

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Solution

The fourth proportional to 56,636.18, 84,901.20 and 19,170.04 is: 28,737.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,636.18 : 84,901.20 = 19,170.04 : x
  2. Step 2: Convert to fraction form
    56,636.18/84,901.20 = 19,170.04/x
  3. Step 3: Cross multiply
    56,636.18x = 84,901.20 × 19,170.04
  4. Step 4: Simplify right side
    56,636.18x = 1,627,559,400.05
  5. Step 5: Solve for x
    x = 1,627,559,400.05/56,636.18
  6. Step 6: Final answer
    x = 28,737.10

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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.