Home / 39,621.94-59,443.24-11,541.36

Finding the Fourth Proportional to 39,621.94, 59,443.24 and 11,541.36

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Solution

The fourth proportional to 39,621.94, 59,443.24 and 11,541.36 is: 17,315.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,621.94 : 59,443.24 = 11,541.36 : x
  2. Step 2: Convert to fraction form
    39,621.94/59,443.24 = 11,541.36/x
  3. Step 3: Cross multiply
    39,621.94x = 59,443.24 × 11,541.36
  4. Step 4: Simplify right side
    39,621.94x = 686,055,832.41
  5. Step 5: Solve for x
    x = 686,055,832.41/39,621.94
  6. Step 6: Final answer
    x = 17,315.05

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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.