Home / 35,310.13-52,980.59-13,118.56

Finding the Fourth Proportional to 35,310.13, 52,980.59 and 13,118.56

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Solution

The fourth proportional to 35,310.13, 52,980.59 and 13,118.56 is: 19,683.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,310.13 : 52,980.59 = 13,118.56 : x
  2. Step 2: Convert to fraction form
    35,310.13/52,980.59 = 13,118.56/x
  3. Step 3: Cross multiply
    35,310.13x = 52,980.59 × 13,118.56
  4. Step 4: Simplify right side
    35,310.13x = 695,029,048.75
  5. Step 5: Solve for x
    x = 695,029,048.75/35,310.13
  6. Step 6: Final answer
    x = 19,683.56

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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.