Home / 35,318.90-52,973.60-13,129.22

Finding the Fourth Proportional to 35,318.90, 52,973.60 and 13,129.22

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Solution

The fourth proportional to 35,318.90, 52,973.60 and 13,129.22 is: 19,692.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,318.90 : 52,973.60 = 13,129.22 : x
  2. Step 2: Convert to fraction form
    35,318.90/52,973.60 = 13,129.22/x
  3. Step 3: Cross multiply
    35,318.90x = 52,973.60 × 13,129.22
  4. Step 4: Simplify right side
    35,318.90x = 695,501,718.08
  5. Step 5: Solve for x
    x = 695,501,718.08/35,318.90
  6. Step 6: Final answer
    x = 19,692.06

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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.