Home / 31,995.83-47,973.19-13,288.77

Finding the Fourth Proportional to 31,995.83, 47,973.19 and 13,288.77

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Solution

The fourth proportional to 31,995.83, 47,973.19 and 13,288.77 is: 19,924.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,995.83 : 47,973.19 = 13,288.77 : x
  2. Step 2: Convert to fraction form
    31,995.83/47,973.19 = 13,288.77/x
  3. Step 3: Cross multiply
    31,995.83x = 47,973.19 × 13,288.77
  4. Step 4: Simplify right side
    31,995.83x = 637,504,688.08
  5. Step 5: Solve for x
    x = 637,504,688.08/31,995.83
  6. Step 6: Final answer
    x = 19,924.62

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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.