Home / 39,002.22-53,822.90-21,097.27

Finding the Fourth Proportional to 39,002.22, 53,822.90 and 21,097.27

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Solution

The fourth proportional to 39,002.22, 53,822.90 and 21,097.27 is: 29,114.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,002.22 : 53,822.90 = 21,097.27 : x
  2. Step 2: Convert to fraction form
    39,002.22/53,822.90 = 21,097.27/x
  3. Step 3: Cross multiply
    39,002.22x = 53,822.90 × 21,097.27
  4. Step 4: Simplify right side
    39,002.22x = 1,135,516,171.67
  5. Step 5: Solve for x
    x = 1,135,516,171.67/39,002.22
  6. Step 6: Final answer
    x = 29,114.14

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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.