Home / 39,002.69-53,823.75-21,097.64

Finding the Fourth Proportional to 39,002.69, 53,823.75 and 21,097.64

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Solution

The fourth proportional to 39,002.69, 53,823.75 and 21,097.64 is: 29,114.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.69 : 53,823.75 = 21,097.64 : x
  2. Step 2: Convert to fraction form
    39,002.69/53,823.75 = 21,097.64/x
  3. Step 3: Cross multiply
    39,002.69x = 53,823.75 × 21,097.64
  4. Step 4: Simplify right side
    39,002.69x = 1,135,554,100.95
  5. Step 5: Solve for x
    x = 1,135,554,100.95/39,002.69
  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.