Home / 30,322.53-45,444.54-20,947.59

Finding the Fourth Proportional to 30,322.53, 45,444.54 and 20,947.59

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Solution

The fourth proportional to 30,322.53, 45,444.54 and 20,947.59 is: 31,394.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,322.53 : 45,444.54 = 20,947.59 : x
  2. Step 2: Convert to fraction form
    30,322.53/45,444.54 = 20,947.59/x
  3. Step 3: Cross multiply
    30,322.53x = 45,444.54 × 20,947.59
  4. Step 4: Simplify right side
    30,322.53x = 951,953,591.66
  5. Step 5: Solve for x
    x = 951,953,591.66/30,322.53
  6. Step 6: Final answer
    x = 31,394.27

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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.