Home / 34,630.60-47,790.28-18,715.05

Finding the Fourth Proportional to 34,630.60, 47,790.28 and 18,715.05

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Solution

The fourth proportional to 34,630.60, 47,790.28 and 18,715.05 is: 25,826.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,630.60 : 47,790.28 = 18,715.05 : x
  2. Step 2: Convert to fraction form
    34,630.60/47,790.28 = 18,715.05/x
  3. Step 3: Cross multiply
    34,630.60x = 47,790.28 × 18,715.05
  4. Step 4: Simplify right side
    34,630.60x = 894,397,601.68
  5. Step 5: Solve for x
    x = 894,397,601.68/34,630.60
  6. Step 6: Final answer
    x = 25,826.80

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.