Home / 47,535.64-71,298.06-12,478.03

Finding the Fourth Proportional to 47,535.64, 71,298.06 and 12,478.03

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Solution

The fourth proportional to 47,535.64, 71,298.06 and 12,478.03 is: 18,715.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,535.64 : 71,298.06 = 12,478.03 : x
  2. Step 2: Convert to fraction form
    47,535.64/71,298.06 = 12,478.03/x
  3. Step 3: Cross multiply
    47,535.64x = 71,298.06 × 12,478.03
  4. Step 4: Simplify right side
    47,535.64x = 889,659,331.62
  5. Step 5: Solve for x
    x = 889,659,331.62/47,535.64
  6. Step 6: Final answer
    x = 18,715.63

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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.