Home / 45,929.04-68,865.52-20,623.80

Finding the Fourth Proportional to 45,929.04, 68,865.52 and 20,623.80

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Solution

The fourth proportional to 45,929.04, 68,865.52 and 20,623.80 is: 30,923.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,929.04 : 68,865.52 = 20,623.80 : x
  2. Step 2: Convert to fraction form
    45,929.04/68,865.52 = 20,623.80/x
  3. Step 3: Cross multiply
    45,929.04x = 68,865.52 × 20,623.80
  4. Step 4: Simplify right side
    45,929.04x = 1,420,268,711.38
  5. Step 5: Solve for x
    x = 1,420,268,711.38/45,929.04
  6. Step 6: Final answer
    x = 30,923.11

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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.