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Finding the Fourth Proportional to 32,606.77, 48,915.29 and 12,885.43

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Solution

The fourth proportional to 32,606.77, 48,915.29 and 12,885.43 is: 19,330.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,606.77 : 48,915.29 = 12,885.43 : x
  2. Step 2: Convert to fraction form
    32,606.77/48,915.29 = 12,885.43/x
  3. Step 3: Cross multiply
    32,606.77x = 48,915.29 × 12,885.43
  4. Step 4: Simplify right side
    32,606.77x = 630,294,480.80
  5. Step 5: Solve for x
    x = 630,294,480.80/32,606.77
  6. Step 6: Final answer
    x = 19,330.17

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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.