Home / 37,195.04-51,329.12-20,428

Finding the Fourth Proportional to 37,195.04, 51,329.12 and 20,428

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Solution

The fourth proportional to 37,195.04, 51,329.12 and 20,428 is: 28,190.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,195.04 : 51,329.12 = 20,428 : x
  2. Step 2: Convert to fraction form
    37,195.04/51,329.12 = 20,428/x
  3. Step 3: Cross multiply
    37,195.04x = 51,329.12 × 20,428
  4. Step 4: Simplify right side
    37,195.04x = 1,048,551,263.36
  5. Step 5: Solve for x
    x = 1,048,551,263.36/37,195.04
  6. Step 6: Final answer
    x = 28,190.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.