Home / 47,431.99-65,395.78-38,902.69

Finding the Fourth Proportional to 47,431.99, 65,395.78 and 38,902.69

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Solution

The fourth proportional to 47,431.99, 65,395.78 and 38,902.69 is: 53,636.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,431.99 : 65,395.78 = 38,902.69 : x
  2. Step 2: Convert to fraction form
    47,431.99/65,395.78 = 38,902.69/x
  3. Step 3: Cross multiply
    47,431.99x = 65,395.78 × 38,902.69
  4. Step 4: Simplify right side
    47,431.99x = 2,544,071,756.65
  5. Step 5: Solve for x
    x = 2,544,071,756.65/47,431.99
  6. Step 6: Final answer
    x = 53,636.20

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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.