Home / 38,206.68-52,724.36-21,209.92

Finding the Fourth Proportional to 38,206.68, 52,724.36 and 21,209.92

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Solution

The fourth proportional to 38,206.68, 52,724.36 and 21,209.92 is: 29,269.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,206.68 : 52,724.36 = 21,209.92 : x
  2. Step 2: Convert to fraction form
    38,206.68/52,724.36 = 21,209.92/x
  3. Step 3: Cross multiply
    38,206.68x = 52,724.36 × 21,209.92
  4. Step 4: Simplify right side
    38,206.68x = 1,118,279,457.65
  5. Step 5: Solve for x
    x = 1,118,279,457.65/38,206.68
  6. Step 6: Final answer
    x = 29,269.21

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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.