Home / 31,686.08-47,533.44-10,904

Finding the Fourth Proportional to 31,686.08, 47,533.44 and 10,904

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Solution

The fourth proportional to 31,686.08, 47,533.44 and 10,904 is: 16,357.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,686.08 : 47,533.44 = 10,904 : x
  2. Step 2: Convert to fraction form
    31,686.08/47,533.44 = 10,904/x
  3. Step 3: Cross multiply
    31,686.08x = 47,533.44 × 10,904
  4. Step 4: Simplify right side
    31,686.08x = 518,304,629.76
  5. Step 5: Solve for x
    x = 518,304,629.76/31,686.08
  6. Step 6: Final answer
    x = 16,357.49

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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.