Home / 56,147.11-84,224.14-18,710.53

Finding the Fourth Proportional to 56,147.11, 84,224.14 and 18,710.53

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Solution

The fourth proportional to 56,147.11, 84,224.14 and 18,710.53 is: 28,066.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,147.11 : 84,224.14 = 18,710.53 : x
  2. Step 2: Convert to fraction form
    56,147.11/84,224.14 = 18,710.53/x
  3. Step 3: Cross multiply
    56,147.11x = 84,224.14 × 18,710.53
  4. Step 4: Simplify right side
    56,147.11x = 1,575,878,040.86
  5. Step 5: Solve for x
    x = 1,575,878,040.86/56,147.11
  6. Step 6: Final answer
    x = 28,066.95

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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.