Home / 56,137.56-84,178.24-18,684.47

Finding the Fourth Proportional to 56,137.56, 84,178.24 and 18,684.47

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Solution

The fourth proportional to 56,137.56, 84,178.24 and 18,684.47 is: 28,017.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,137.56 : 84,178.24 = 18,684.47 : x
  2. Step 2: Convert to fraction form
    56,137.56/84,178.24 = 18,684.47/x
  3. Step 3: Cross multiply
    56,137.56x = 84,178.24 × 18,684.47
  4. Step 4: Simplify right side
    56,137.56x = 1,572,825,963.67
  5. Step 5: Solve for x
    x = 1,572,825,963.67/56,137.56
  6. Step 6: Final answer
    x = 28,017.36

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1.5x scale

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.