Home / 35,315.12-52,967.97-13,125.49

Finding the Fourth Proportional to 35,315.12, 52,967.97 and 13,125.49

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Solution

The fourth proportional to 35,315.12, 52,967.97 and 13,125.49 is: 19,686.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,315.12 : 52,967.97 = 13,125.49 : x
  2. Step 2: Convert to fraction form
    35,315.12/52,967.97 = 13,125.49/x
  3. Step 3: Cross multiply
    35,315.12x = 52,967.97 × 13,125.49
  4. Step 4: Simplify right side
    35,315.12x = 695,230,428.14
  5. Step 5: Solve for x
    x = 695,230,428.14/35,315.12
  6. Step 6: Final answer
    x = 19,686.48

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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.