Home / 31,206.72-46,811.52-17,345.28

Finding the Fourth Proportional to 31,206.72, 46,811.52 and 17,345.28

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Solution

The fourth proportional to 31,206.72, 46,811.52 and 17,345.28 is: 26,018.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,206.72 : 46,811.52 = 17,345.28 : x
  2. Step 2: Convert to fraction form
    31,206.72/46,811.52 = 17,345.28/x
  3. Step 3: Cross multiply
    31,206.72x = 46,811.52 × 17,345.28
  4. Step 4: Simplify right side
    31,206.72x = 811,958,921.63
  5. Step 5: Solve for x
    x = 811,958,921.63/31,206.72
  6. Step 6: Final answer
    x = 26,018.72

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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.