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Finding the Fourth Proportional to 100,019.52, 150,006.96 and 29,889.72

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Solution

The fourth proportional to 100,019.52, 150,006.96 and 29,889.72 is: 44,827.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    100,019.52 : 150,006.96 = 29,889.72 : x
  2. Step 2: Convert to fraction form
    100,019.52/150,006.96 = 29,889.72/x
  3. Step 3: Cross multiply
    100,019.52x = 150,006.96 × 29,889.72
  4. Step 4: Simplify right side
    100,019.52x = 4,483,666,032.45
  5. Step 5: Solve for x
    x = 4,483,666,032.45/100,019.52
  6. Step 6: Final answer
    x = 44,827.91

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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.