Home / 31,248.70-46,877.50-11,525.72

Finding the Fourth Proportional to 31,248.70, 46,877.50 and 11,525.72

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Solution

The fourth proportional to 31,248.70, 46,877.50 and 11,525.72 is: 17,290.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,248.70 : 46,877.50 = 11,525.72 : x
  2. Step 2: Convert to fraction form
    31,248.70/46,877.50 = 11,525.72/x
  3. Step 3: Cross multiply
    31,248.70x = 46,877.50 × 11,525.72
  4. Step 4: Simplify right side
    31,248.70x = 540,296,939.30
  5. Step 5: Solve for x
    x = 540,296,939.30/31,248.70
  6. Step 6: Final answer
    x = 17,290.22

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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.