Home / 39,772.08-59,621.04-13,458.52

Finding the Fourth Proportional to 39,772.08, 59,621.04 and 13,458.52

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Solution

The fourth proportional to 39,772.08, 59,621.04 and 13,458.52 is: 20,175.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,772.08 : 59,621.04 = 13,458.52 : x
  2. Step 2: Convert to fraction form
    39,772.08/59,621.04 = 13,458.52/x
  3. Step 3: Cross multiply
    39,772.08x = 59,621.04 × 13,458.52
  4. Step 4: Simplify right side
    39,772.08x = 802,410,959.26
  5. Step 5: Solve for x
    x = 802,410,959.26/39,772.08
  6. Step 6: Final answer
    x = 20,175.23

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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.