Home / 35,423.70-48,886.21-20,320.62

Finding the Fourth Proportional to 35,423.70, 48,886.21 and 20,320.62

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Solution

The fourth proportional to 35,423.70, 48,886.21 and 20,320.62 is: 28,043.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,423.70 : 48,886.21 = 20,320.62 : x
  2. Step 2: Convert to fraction form
    35,423.70/48,886.21 = 20,320.62/x
  3. Step 3: Cross multiply
    35,423.70x = 48,886.21 × 20,320.62
  4. Step 4: Simplify right side
    35,423.70x = 993,398,096.65
  5. Step 5: Solve for x
    x = 993,398,096.65/35,423.70
  6. Step 6: Final answer
    x = 28,043.32

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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.