Home / 56,160.16-84,230.56-18,716

Finding the Fourth Proportional to 56,160.16, 84,230.56 and 18,716

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Solution

The fourth proportional to 56,160.16, 84,230.56 and 18,716 is: 28,070.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,160.16 : 84,230.56 = 18,716 : x
  2. Step 2: Convert to fraction form
    56,160.16/84,230.56 = 18,716/x
  3. Step 3: Cross multiply
    56,160.16x = 84,230.56 × 18,716
  4. Step 4: Simplify right side
    56,160.16x = 1,576,459,160.96
  5. Step 5: Solve for x
    x = 1,576,459,160.96/56,160.16
  6. Step 6: Final answer
    x = 28,070.77

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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.