Home / 47,276.61-70,912.49-12,215.36

Finding the Fourth Proportional to 47,276.61, 70,912.49 and 12,215.36

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Solution

The fourth proportional to 47,276.61, 70,912.49 and 12,215.36 is: 18,322.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,276.61 : 70,912.49 = 12,215.36 : x
  2. Step 2: Convert to fraction form
    47,276.61/70,912.49 = 12,215.36/x
  3. Step 3: Cross multiply
    47,276.61x = 70,912.49 × 12,215.36
  4. Step 4: Simplify right side
    47,276.61x = 866,221,178.21
  5. Step 5: Solve for x
    x = 866,221,178.21/47,276.61
  6. Step 6: Final answer
    x = 18,322.40

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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.