Home / 38,421.80-57,623.10-14,724.20

Finding the Fourth Proportional to 38,421.80, 57,623.10 and 14,724.20

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Solution

The fourth proportional to 38,421.80, 57,623.10 and 14,724.20 is: 22,082.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.80 : 57,623.10 = 14,724.20 : x
  2. Step 2: Convert to fraction form
    38,421.80/57,623.10 = 14,724.20/x
  3. Step 3: Cross multiply
    38,421.80x = 57,623.10 × 14,724.20
  4. Step 4: Simplify right side
    38,421.80x = 848,454,049.02
  5. Step 5: Solve for x
    x = 848,454,049.02/38,421.80
  6. Step 6: Final answer
    x = 22,082.62

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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.