Home / 30,293.45-45,436.94-10,572.38

Finding the Fourth Proportional to 30,293.45, 45,436.94 and 10,572.38

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Solution

The fourth proportional to 30,293.45, 45,436.94 and 10,572.38 is: 15,857.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,293.45 : 45,436.94 = 10,572.38 : x
  2. Step 2: Convert to fraction form
    30,293.45/45,436.94 = 10,572.38/x
  3. Step 3: Cross multiply
    30,293.45x = 45,436.94 × 10,572.38
  4. Step 4: Simplify right side
    30,293.45x = 480,376,595.72
  5. Step 5: Solve for x
    x = 480,376,595.72/30,293.45
  6. Step 6: Final answer
    x = 15,857.44

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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.