Home / 34,410.08-51,646.80-21,288.08

Finding the Fourth Proportional to 34,410.08, 51,646.80 and 21,288.08

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Solution

The fourth proportional to 34,410.08, 51,646.80 and 21,288.08 is: 31,951.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,410.08 : 51,646.80 = 21,288.08 : x
  2. Step 2: Convert to fraction form
    34,410.08/51,646.80 = 21,288.08/x
  3. Step 3: Cross multiply
    34,410.08x = 51,646.80 × 21,288.08
  4. Step 4: Simplify right side
    34,410.08x = 1,099,461,210.14
  5. Step 5: Solve for x
    x = 1,099,461,210.14/34,410.08
  6. Step 6: Final answer
    x = 31,951.72

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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.