Home / 50,805.04-76,154.64-21,240.04

Finding the Fourth Proportional to 50,805.04, 76,154.64 and 21,240.04

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Solution

The fourth proportional to 50,805.04, 76,154.64 and 21,240.04 is: 31,837.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,805.04 : 76,154.64 = 21,240.04 : x
  2. Step 2: Convert to fraction form
    50,805.04/76,154.64 = 21,240.04/x
  3. Step 3: Cross multiply
    50,805.04x = 76,154.64 × 21,240.04
  4. Step 4: Simplify right side
    50,805.04x = 1,617,527,599.79
  5. Step 5: Solve for x
    x = 1,617,527,599.79/50,805.04
  6. Step 6: Final answer
    x = 31,837.94

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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.