Home / 45,095.49-67,658.78-20,152.75

Finding the Fourth Proportional to 45,095.49, 67,658.78 and 20,152.75

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Solution

The fourth proportional to 45,095.49, 67,658.78 and 20,152.75 is: 30,236.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,095.49 : 67,658.78 = 20,152.75 : x
  2. Step 2: Convert to fraction form
    45,095.49/67,658.78 = 20,152.75/x
  3. Step 3: Cross multiply
    45,095.49x = 67,658.78 × 20,152.75
  4. Step 4: Simplify right side
    45,095.49x = 1,363,510,478.65
  5. Step 5: Solve for x
    x = 1,363,510,478.65/45,095.49
  6. Step 6: Final answer
    x = 30,236.07

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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.