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Finding the Fourth Proportional to 40,009.92, 60,014.84 and 12,307.92

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Solution

The fourth proportional to 40,009.92, 60,014.84 and 12,307.92 is: 18,461.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,009.92 : 60,014.84 = 12,307.92 : x
  2. Step 2: Convert to fraction form
    40,009.92/60,014.84 = 12,307.92/x
  3. Step 3: Cross multiply
    40,009.92x = 60,014.84 × 12,307.92
  4. Step 4: Simplify right side
    40,009.92x = 738,657,787.99
  5. Step 5: Solve for x
    x = 738,657,787.99/40,009.92
  6. Step 6: Final answer
    x = 18,461.87

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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.