Home / 35,355.11-53,069.56-15,647.51

Finding the Fourth Proportional to 35,355.11, 53,069.56 and 15,647.51

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Solution

The fourth proportional to 35,355.11, 53,069.56 and 15,647.51 is: 23,487.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,355.11 : 53,069.56 = 15,647.51 : x
  2. Step 2: Convert to fraction form
    35,355.11/53,069.56 = 15,647.51/x
  3. Step 3: Cross multiply
    35,355.11x = 53,069.56 × 15,647.51
  4. Step 4: Simplify right side
    35,355.11x = 830,406,564.35
  5. Step 5: Solve for x
    x = 830,406,564.35/35,355.11
  6. Step 6: Final answer
    x = 23,487.60

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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.