Home / 30,333.04-45,509.94-18,510.52

Finding the Fourth Proportional to 30,333.04, 45,509.94 and 18,510.52

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Solution

The fourth proportional to 30,333.04, 45,509.94 and 18,510.52 is: 27,772.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,333.04 : 45,509.94 = 18,510.52 : x
  2. Step 2: Convert to fraction form
    30,333.04/45,509.94 = 18,510.52/x
  3. Step 3: Cross multiply
    30,333.04x = 45,509.94 × 18,510.52
  4. Step 4: Simplify right side
    30,333.04x = 842,412,654.57
  5. Step 5: Solve for x
    x = 842,412,654.57/30,333.04
  6. Step 6: Final answer
    x = 27,772.11

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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.