Home / 30,273.78-45,418.28-10,552.53

Finding the Fourth Proportional to 30,273.78, 45,418.28 and 10,552.53

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Solution

The fourth proportional to 30,273.78, 45,418.28 and 10,552.53 is: 15,831.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,273.78 : 45,418.28 = 10,552.53 : x
  2. Step 2: Convert to fraction form
    30,273.78/45,418.28 = 10,552.53/x
  3. Step 3: Cross multiply
    30,273.78x = 45,418.28 × 10,552.53
  4. Step 4: Simplify right side
    30,273.78x = 479,277,709.49
  5. Step 5: Solve for x
    x = 479,277,709.49/30,273.78
  6. Step 6: Final answer
    x = 15,831.45

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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.