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Finding the Fourth Proportional to 34,890.60, 52,335.48 and 8,595.60

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Solution

The fourth proportional to 34,890.60, 52,335.48 and 8,595.60 is: 12,893.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,890.60 : 52,335.48 = 8,595.60 : x
  2. Step 2: Convert to fraction form
    34,890.60/52,335.48 = 8,595.60/x
  3. Step 3: Cross multiply
    34,890.60x = 52,335.48 × 8,595.60
  4. Step 4: Simplify right side
    34,890.60x = 449,854,851.89
  5. Step 5: Solve for x
    x = 449,854,851.89/34,890.60
  6. Step 6: Final answer
    x = 12,893.30

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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.