Home / 30,233.28-45,333.28-11,248.32

Finding the Fourth Proportional to 30,233.28, 45,333.28 and 11,248.32

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Solution

The fourth proportional to 30,233.28, 45,333.28 and 11,248.32 is: 16,866.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,233.28 : 45,333.28 = 11,248.32 : x
  2. Step 2: Convert to fraction form
    30,233.28/45,333.28 = 11,248.32/x
  3. Step 3: Cross multiply
    30,233.28x = 45,333.28 × 11,248.32
  4. Step 4: Simplify right side
    30,233.28x = 509,923,240.09
  5. Step 5: Solve for x
    x = 509,923,240.09/30,233.28
  6. Step 6: Final answer
    x = 16,866.29

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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.