Home / 43,322.45-59,751-28,219.86

Finding the Fourth Proportional to 43,322.45, 59,751 and 28,219.86

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Solution

The fourth proportional to 43,322.45, 59,751 and 28,219.86 is: 38,921.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,322.45 : 59,751 = 28,219.86 : x
  2. Step 2: Convert to fraction form
    43,322.45/59,751 = 28,219.86/x
  3. Step 3: Cross multiply
    43,322.45x = 59,751 × 28,219.86
  4. Step 4: Simplify right side
    43,322.45x = 1,686,164,854.86
  5. Step 5: Solve for x
    x = 1,686,164,854.86/43,322.45
  6. Step 6: Final answer
    x = 38,921.28

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.