Home / 35,446.48-53,158.20-12,072.40

Finding the Fourth Proportional to 35,446.48, 53,158.20 and 12,072.40

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Solution

The fourth proportional to 35,446.48, 53,158.20 and 12,072.40 is: 18,104.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,446.48 : 53,158.20 = 12,072.40 : x
  2. Step 2: Convert to fraction form
    35,446.48/53,158.20 = 12,072.40/x
  3. Step 3: Cross multiply
    35,446.48x = 53,158.20 × 12,072.40
  4. Step 4: Simplify right side
    35,446.48x = 641,747,053.68
  5. Step 5: Solve for x
    x = 641,747,053.68/35,446.48
  6. Step 6: Final answer
    x = 18,104.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.