Home / 30,869.59-46,172.52-25,772.80

Finding the Fourth Proportional to 30,869.59, 46,172.52 and 25,772.80

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Solution

The fourth proportional to 30,869.59, 46,172.52 and 25,772.80 is: 38,549.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,869.59 : 46,172.52 = 25,772.80 : x
  2. Step 2: Convert to fraction form
    30,869.59/46,172.52 = 25,772.80/x
  3. Step 3: Cross multiply
    30,869.59x = 46,172.52 × 25,772.80
  4. Step 4: Simplify right side
    30,869.59x = 1,189,995,123.46
  5. Step 5: Solve for x
    x = 1,189,995,123.46/30,869.59
  6. Step 6: Final answer
    x = 38,549.11

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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.