Home / 35,713.18-53,570.29-13,520.60

Finding the Fourth Proportional to 35,713.18, 53,570.29 and 13,520.60

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Solution

The fourth proportional to 35,713.18, 53,570.29 and 13,520.60 is: 20,281.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,713.18 : 53,570.29 = 13,520.60 : x
  2. Step 2: Convert to fraction form
    35,713.18/53,570.29 = 13,520.60/x
  3. Step 3: Cross multiply
    35,713.18x = 53,570.29 × 13,520.60
  4. Step 4: Simplify right side
    35,713.18x = 724,302,195.12
  5. Step 5: Solve for x
    x = 724,302,195.12/35,713.18
  6. Step 6: Final answer
    x = 20,281.09

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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.