Home / 47,277.34-70,912.77-12,215.68

Finding the Fourth Proportional to 47,277.34, 70,912.77 and 12,215.68

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Solution

The fourth proportional to 47,277.34, 70,912.77 and 12,215.68 is: 18,322.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,277.34 : 70,912.77 = 12,215.68 : x
  2. Step 2: Convert to fraction form
    47,277.34/70,912.77 = 12,215.68/x
  3. Step 3: Cross multiply
    47,277.34x = 70,912.77 × 12,215.68
  4. Step 4: Simplify right side
    47,277.34x = 866,247,706.23
  5. Step 5: Solve for x
    x = 866,247,706.23/47,277.34
  6. Step 6: Final answer
    x = 18,322.68

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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.