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Finding the Fourth Proportional to 32,590.60, 48,866.10 and 12,846.40

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Solution

The fourth proportional to 32,590.60, 48,866.10 and 12,846.40 is: 19,261.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,590.60 : 48,866.10 = 12,846.40 : x
  2. Step 2: Convert to fraction form
    32,590.60/48,866.10 = 12,846.40/x
  3. Step 3: Cross multiply
    32,590.60x = 48,866.10 × 12,846.40
  4. Step 4: Simplify right side
    32,590.60x = 627,753,467.04
  5. Step 5: Solve for x
    x = 627,753,467.04/32,590.60
  6. Step 6: Final answer
    x = 19,261.80

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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.