Home / 56,229.34-84,342.66-18,278.56

Finding the Fourth Proportional to 56,229.34, 84,342.66 and 18,278.56

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Solution

The fourth proportional to 56,229.34, 84,342.66 and 18,278.56 is: 27,417.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,229.34 : 84,342.66 = 18,278.56 : x
  2. Step 2: Convert to fraction form
    56,229.34/84,342.66 = 18,278.56/x
  3. Step 3: Cross multiply
    56,229.34x = 84,342.66 × 18,278.56
  4. Step 4: Simplify right side
    56,229.34x = 1,541,662,371.37
  5. Step 5: Solve for x
    x = 1,541,662,371.37/56,229.34
  6. Step 6: Final answer
    x = 27,417.40

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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.