Home / 35,002.13-52,390.80-18,338.40

Finding the Fourth Proportional to 35,002.13, 52,390.80 and 18,338.40

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Solution

The fourth proportional to 35,002.13, 52,390.80 and 18,338.40 is: 27,448.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,002.13 : 52,390.80 = 18,338.40 : x
  2. Step 2: Convert to fraction form
    35,002.13/52,390.80 = 18,338.40/x
  3. Step 3: Cross multiply
    35,002.13x = 52,390.80 × 18,338.40
  4. Step 4: Simplify right side
    35,002.13x = 960,763,446.72
  5. Step 5: Solve for x
    x = 960,763,446.72/35,002.13
  6. Step 6: Final answer
    x = 27,448.72

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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.