Home / 35,913.94-53,862.81-13,719.40

Finding the Fourth Proportional to 35,913.94, 53,862.81 and 13,719.40

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Solution

The fourth proportional to 35,913.94, 53,862.81 and 13,719.40 is: 20,576.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,913.94 : 53,862.81 = 13,719.40 : x
  2. Step 2: Convert to fraction form
    35,913.94/53,862.81 = 13,719.40/x
  3. Step 3: Cross multiply
    35,913.94x = 53,862.81 × 13,719.40
  4. Step 4: Simplify right side
    35,913.94x = 738,965,435.51
  5. Step 5: Solve for x
    x = 738,965,435.51/35,913.94
  6. Step 6: Final answer
    x = 20,576.01

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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.