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Finding the Fourth Proportional to 32,364.36, 48,549.17 and 8,990.80

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Solution

The fourth proportional to 32,364.36, 48,549.17 and 8,990.80 is: 13,486.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,364.36 : 48,549.17 = 8,990.80 : x
  2. Step 2: Convert to fraction form
    32,364.36/48,549.17 = 8,990.80/x
  3. Step 3: Cross multiply
    32,364.36x = 48,549.17 × 8,990.80
  4. Step 4: Simplify right side
    32,364.36x = 436,495,778.74
  5. Step 5: Solve for x
    x = 436,495,778.74/32,364.36
  6. Step 6: Final answer
    x = 13,486.93

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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.