Home / 20,324.18-30,446.81-14,977.65

Finding the Fourth Proportional to 20,324.18, 30,446.81 and 14,977.65

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Solution

The fourth proportional to 20,324.18, 30,446.81 and 14,977.65 is: 22,437.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    20,324.18 : 30,446.81 = 14,977.65 : x
  2. Step 2: Convert to fraction form
    20,324.18/30,446.81 = 14,977.65/x
  3. Step 3: Cross multiply
    20,324.18x = 30,446.81 × 14,977.65
  4. Step 4: Simplify right side
    20,324.18x = 456,021,663.80
  5. Step 5: Solve for x
    x = 456,021,663.80/20,324.18
  6. Step 6: Final answer
    x = 22,437.40

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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.