Home / 49,038.58-73,586.25-20,572.99

Finding the Fourth Proportional to 49,038.58, 73,586.25 and 20,572.99

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Solution

The fourth proportional to 49,038.58, 73,586.25 and 20,572.99 is: 30,871.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    49,038.58 : 73,586.25 = 20,572.99 : x
  2. Step 2: Convert to fraction form
    49,038.58/73,586.25 = 20,572.99/x
  3. Step 3: Cross multiply
    49,038.58x = 73,586.25 × 20,572.99
  4. Step 4: Simplify right side
    49,038.58x = 1,513,888,817.46
  5. Step 5: Solve for x
    x = 1,513,888,817.46/49,038.58
  6. Step 6: Final answer
    x = 30,871.38

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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.