Home / 34,515.48-47,631.60-19,408.80

Finding the Fourth Proportional to 34,515.48, 47,631.60 and 19,408.80

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Solution

The fourth proportional to 34,515.48, 47,631.60 and 19,408.80 is: 26,784.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,515.48 : 47,631.60 = 19,408.80 : x
  2. Step 2: Convert to fraction form
    34,515.48/47,631.60 = 19,408.80/x
  3. Step 3: Cross multiply
    34,515.48x = 47,631.60 × 19,408.80
  4. Step 4: Simplify right side
    34,515.48x = 924,472,198.08
  5. Step 5: Solve for x
    x = 924,472,198.08/34,515.48
  6. Step 6: Final answer
    x = 26,784.28

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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.