Home / 30,239.66-45,364.36-10,523.82

Finding the Fourth Proportional to 30,239.66, 45,364.36 and 10,523.82

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Solution

The fourth proportional to 30,239.66, 45,364.36 and 10,523.82 is: 15,787.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,239.66 : 45,364.36 = 10,523.82 : x
  2. Step 2: Convert to fraction form
    30,239.66/45,364.36 = 10,523.82/x
  3. Step 3: Cross multiply
    30,239.66x = 45,364.36 × 10,523.82
  4. Step 4: Simplify right side
    30,239.66x = 477,406,359.06
  5. Step 5: Solve for x
    x = 477,406,359.06/30,239.66
  6. Step 6: Final answer
    x = 15,787.42

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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.