Home / 47,214.40-70,821.60-26,219.20

Finding the Fourth Proportional to 47,214.40, 70,821.60 and 26,219.20

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Solution

The fourth proportional to 47,214.40, 70,821.60 and 26,219.20 is: 39,328.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,214.40 : 70,821.60 = 26,219.20 : x
  2. Step 2: Convert to fraction form
    47,214.40/70,821.60 = 26,219.20/x
  3. Step 3: Cross multiply
    47,214.40x = 70,821.60 × 26,219.20
  4. Step 4: Simplify right side
    47,214.40x = 1,856,885,694.72
  5. Step 5: Solve for x
    x = 1,856,885,694.72/47,214.40
  6. Step 6: Final answer
    x = 39,328.80

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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.