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Finding the Fourth Proportional to 30,479.76, 45,737.10 and 16,439.73

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Solution

The fourth proportional to 30,479.76, 45,737.10 and 16,439.73 is: 24,669.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,479.76 : 45,737.10 = 16,439.73 : x
  2. Step 2: Convert to fraction form
    30,479.76/45,737.10 = 16,439.73/x
  3. Step 3: Cross multiply
    30,479.76x = 45,737.10 × 16,439.73
  4. Step 4: Simplify right side
    30,479.76x = 751,905,574.98
  5. Step 5: Solve for x
    x = 751,905,574.98/30,479.76
  6. Step 6: Final answer
    x = 24,669.01

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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.