Home / 31,312.79-46,958.75-14,438.89

Finding the Fourth Proportional to 31,312.79, 46,958.75 and 14,438.89

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Solution

The fourth proportional to 31,312.79, 46,958.75 and 14,438.89 is: 21,653.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,312.79 : 46,958.75 = 14,438.89 : x
  2. Step 2: Convert to fraction form
    31,312.79/46,958.75 = 14,438.89/x
  3. Step 3: Cross multiply
    31,312.79x = 46,958.75 × 14,438.89
  4. Step 4: Simplify right side
    31,312.79x = 678,032,479.73
  5. Step 5: Solve for x
    x = 678,032,479.73/31,312.79
  6. Step 6: Final answer
    x = 21,653.53

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1.5x scale

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.