Home / 47,910.40-71,865.60-36,246.40

Finding the Fourth Proportional to 47,910.40, 71,865.60 and 36,246.40

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Solution

The fourth proportional to 47,910.40, 71,865.60 and 36,246.40 is: 54,369.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,910.40 : 71,865.60 = 36,246.40 : x
  2. Step 2: Convert to fraction form
    47,910.40/71,865.60 = 36,246.40/x
  3. Step 3: Cross multiply
    47,910.40x = 71,865.60 × 36,246.40
  4. Step 4: Simplify right side
    47,910.40x = 2,604,869,283.84
  5. Step 5: Solve for x
    x = 2,604,869,283.84/47,910.40
  6. Step 6: Final answer
    x = 54,369.60

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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.