Home / 31,315.42-46,988.58-14,672.58

Finding the Fourth Proportional to 31,315.42, 46,988.58 and 14,672.58

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Solution

The fourth proportional to 31,315.42, 46,988.58 and 14,672.58 is: 22,016.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,315.42 : 46,988.58 = 14,672.58 : x
  2. Step 2: Convert to fraction form
    31,315.42/46,988.58 = 14,672.58/x
  3. Step 3: Cross multiply
    31,315.42x = 46,988.58 × 14,672.58
  4. Step 4: Simplify right side
    31,315.42x = 689,443,699.14
  5. Step 5: Solve for x
    x = 689,443,699.14/31,315.42
  6. Step 6: Final answer
    x = 22,016.11

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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.