Home / 47,308.50-70,977.48-14,028.74

Finding the Fourth Proportional to 47,308.50, 70,977.48 and 14,028.74

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Solution

The fourth proportional to 47,308.50, 70,977.48 and 14,028.74 is: 21,047.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,308.50 : 70,977.48 = 14,028.74 : x
  2. Step 2: Convert to fraction form
    47,308.50/70,977.48 = 14,028.74/x
  3. Step 3: Cross multiply
    47,308.50x = 70,977.48 × 14,028.74
  4. Step 4: Simplify right side
    47,308.50x = 995,724,612.78
  5. Step 5: Solve for x
    x = 995,724,612.78/47,308.50
  6. Step 6: Final answer
    x = 21,047.48

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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.