Home / 31,177.59-46,782.03-14,538.93

Finding the Fourth Proportional to 31,177.59, 46,782.03 and 14,538.93

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Solution

The fourth proportional to 31,177.59, 46,782.03 and 14,538.93 is: 21,815.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,177.59 : 46,782.03 = 14,538.93 : x
  2. Step 2: Convert to fraction form
    31,177.59/46,782.03 = 14,538.93/x
  3. Step 3: Cross multiply
    31,177.59x = 46,782.03 × 14,538.93
  4. Step 4: Simplify right side
    31,177.59x = 680,160,659.43
  5. Step 5: Solve for x
    x = 680,160,659.43/31,177.59
  6. Step 6: Final answer
    x = 21,815.69

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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.