Home / 35,785.40-53,605.20-18,265.10

Finding the Fourth Proportional to 35,785.40, 53,605.20 and 18,265.10

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Solution

The fourth proportional to 35,785.40, 53,605.20 and 18,265.10 is: 27,360.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,785.40 : 53,605.20 = 18,265.10 : x
  2. Step 2: Convert to fraction form
    35,785.40/53,605.20 = 18,265.10/x
  3. Step 3: Cross multiply
    35,785.40x = 53,605.20 × 18,265.10
  4. Step 4: Simplify right side
    35,785.40x = 979,104,338.52
  5. Step 5: Solve for x
    x = 979,104,338.52/35,785.40
  6. Step 6: Final answer
    x = 27,360.44

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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.