Home / 39,510.08-54,524.94-21,605.84

Finding the Fourth Proportional to 39,510.08, 54,524.94 and 21,605.84

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Solution

The fourth proportional to 39,510.08, 54,524.94 and 21,605.84 is: 29,816.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,510.08 : 54,524.94 = 21,605.84 : x
  2. Step 2: Convert to fraction form
    39,510.08/54,524.94 = 21,605.84/x
  3. Step 3: Cross multiply
    39,510.08x = 54,524.94 × 21,605.84
  4. Step 4: Simplify right side
    39,510.08x = 1,178,057,129.65
  5. Step 5: Solve for x
    x = 1,178,057,129.65/39,510.08
  6. Step 6: Final answer
    x = 29,816.62

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.