Home / 30,006.54-45,012.10-8,944.97

Finding the Fourth Proportional to 30,006.54, 45,012.10 and 8,944.97

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Solution

The fourth proportional to 30,006.54, 45,012.10 and 8,944.97 is: 13,418.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,006.54 : 45,012.10 = 8,944.97 : x
  2. Step 2: Convert to fraction form
    30,006.54/45,012.10 = 8,944.97/x
  3. Step 3: Cross multiply
    30,006.54x = 45,012.10 × 8,944.97
  4. Step 4: Simplify right side
    30,006.54x = 402,631,715.34
  5. Step 5: Solve for x
    x = 402,631,715.34/30,006.54
  6. Step 6: Final answer
    x = 13,418.13

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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.