Home / 35,505.26-49,000.18-20,400.83

Finding the Fourth Proportional to 35,505.26, 49,000.18 and 20,400.83

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Solution

The fourth proportional to 35,505.26, 49,000.18 and 20,400.83 is: 28,154.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,505.26 : 49,000.18 = 20,400.83 : x
  2. Step 2: Convert to fraction form
    35,505.26/49,000.18 = 20,400.83/x
  3. Step 3: Cross multiply
    35,505.26x = 49,000.18 × 20,400.83
  4. Step 4: Simplify right side
    35,505.26x = 999,644,515.65
  5. Step 5: Solve for x
    x = 999,644,515.65/35,505.26
  6. Step 6: Final answer
    x = 28,154.83

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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.