Home / 31,306.64-46,938.08-11,582.63

Finding the Fourth Proportional to 31,306.64, 46,938.08 and 11,582.63

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Solution

The fourth proportional to 31,306.64, 46,938.08 and 11,582.63 is: 17,365.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,306.64 : 46,938.08 = 11,582.63 : x
  2. Step 2: Convert to fraction form
    31,306.64/46,938.08 = 11,582.63/x
  3. Step 3: Cross multiply
    31,306.64x = 46,938.08 × 11,582.63
  4. Step 4: Simplify right side
    31,306.64x = 543,666,383.83
  5. Step 5: Solve for x
    x = 543,666,383.83/31,306.64
  6. Step 6: Final answer
    x = 17,365.85

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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.