Home / 39,165.48-54,047.58-22,172.94

Finding the Fourth Proportional to 39,165.48, 54,047.58 and 22,172.94

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Solution

The fourth proportional to 39,165.48, 54,047.58 and 22,172.94 is: 30,598.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,165.48 : 54,047.58 = 22,172.94 : x
  2. Step 2: Convert to fraction form
    39,165.48/54,047.58 = 22,172.94/x
  3. Step 3: Cross multiply
    39,165.48x = 54,047.58 × 22,172.94
  4. Step 4: Simplify right side
    39,165.48x = 1,198,393,748.49
  5. Step 5: Solve for x
    x = 1,198,393,748.49/39,165.48
  6. Step 6: Final answer
    x = 30,598.21

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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.