Home / 47,533.39-71,294.68-12,475.78

Finding the Fourth Proportional to 47,533.39, 71,294.68 and 12,475.78

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Solution

The fourth proportional to 47,533.39, 71,294.68 and 12,475.78 is: 18,712.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,533.39 : 71,294.68 = 12,475.78 : x
  2. Step 2: Convert to fraction form
    47,533.39/71,294.68 = 12,475.78/x
  3. Step 3: Cross multiply
    47,533.39x = 71,294.68 × 12,475.78
  4. Step 4: Simplify right side
    47,533.39x = 889,456,742.85
  5. Step 5: Solve for x
    x = 889,456,742.85/47,533.39
  6. Step 6: Final answer
    x = 18,712.25

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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.