Home / 31,176.81-46,740.75-14,534.64

Finding the Fourth Proportional to 31,176.81, 46,740.75 and 14,534.64

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Solution

The fourth proportional to 31,176.81, 46,740.75 and 14,534.64 is: 21,790.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,176.81 : 46,740.75 = 14,534.64 : x
  2. Step 2: Convert to fraction form
    31,176.81/46,740.75 = 14,534.64/x
  3. Step 3: Cross multiply
    31,176.81x = 46,740.75 × 14,534.64
  4. Step 4: Simplify right side
    31,176.81x = 679,359,974.58
  5. Step 5: Solve for x
    x = 679,359,974.58/31,176.81
  6. Step 6: Final answer
    x = 21,790.55

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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.