Home / 30,339.31-45,529.46-10,618.03

Finding the Fourth Proportional to 30,339.31, 45,529.46 and 10,618.03

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Solution

The fourth proportional to 30,339.31, 45,529.46 and 10,618.03 is: 15,934.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,339.31 : 45,529.46 = 10,618.03 : x
  2. Step 2: Convert to fraction form
    30,339.31/45,529.46 = 10,618.03/x
  3. Step 3: Cross multiply
    30,339.31x = 45,529.46 × 10,618.03
  4. Step 4: Simplify right side
    30,339.31x = 483,433,172.16
  5. Step 5: Solve for x
    x = 483,433,172.16/30,339.31
  6. Step 6: Final answer
    x = 15,934.22

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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.