Home / 39,002.70-53,823.76-21,097.64

Finding the Fourth Proportional to 39,002.70, 53,823.76 and 21,097.64

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Solution

The fourth proportional to 39,002.70, 53,823.76 and 21,097.64 is: 29,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.70 : 53,823.76 = 21,097.64 : x
  2. Step 2: Convert to fraction form
    39,002.70/53,823.76 = 21,097.64/x
  3. Step 3: Cross multiply
    39,002.70x = 53,823.76 × 21,097.64
  4. Step 4: Simplify right side
    39,002.70x = 1,135,554,311.93
  5. Step 5: Solve for x
    x = 1,135,554,311.93/39,002.70
  6. Step 6: Final answer
    x = 29,114.76

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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.