Home / 35,810.81-53,716.23-13,619.06

Finding the Fourth Proportional to 35,810.81, 53,716.23 and 13,619.06

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Solution

The fourth proportional to 35,810.81, 53,716.23 and 13,619.06 is: 20,428.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,810.81 : 53,716.23 = 13,619.06 : x
  2. Step 2: Convert to fraction form
    35,810.81/53,716.23 = 13,619.06/x
  3. Step 3: Cross multiply
    35,810.81x = 53,716.23 × 13,619.06
  4. Step 4: Simplify right side
    35,810.81x = 731,564,559.34
  5. Step 5: Solve for x
    x = 731,564,559.34/35,810.81
  6. Step 6: Final answer
    x = 20,428.60

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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.