Home / 30,152.70-45,257.85-25,775.10

Finding the Fourth Proportional to 30,152.70, 45,257.85 and 25,775.10

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Solution

The fourth proportional to 30,152.70, 45,257.85 and 25,775.10 is: 38,687.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,152.70 : 45,257.85 = 25,775.10 : x
  2. Step 2: Convert to fraction form
    30,152.70/45,257.85 = 25,775.10/x
  3. Step 3: Cross multiply
    30,152.70x = 45,257.85 × 25,775.10
  4. Step 4: Simplify right side
    30,152.70x = 1,166,525,609.54
  5. Step 5: Solve for x
    x = 1,166,525,609.54/30,152.70
  6. Step 6: Final answer
    x = 38,687.27

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1.5x scale

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.