Home / 31,307.94-46,950.24-12,581.64

Finding the Fourth Proportional to 31,307.94, 46,950.24 and 12,581.64

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Solution

The fourth proportional to 31,307.94, 46,950.24 and 12,581.64 is: 18,867.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,307.94 : 46,950.24 = 12,581.64 : x
  2. Step 2: Convert to fraction form
    31,307.94/46,950.24 = 12,581.64/x
  3. Step 3: Cross multiply
    31,307.94x = 46,950.24 × 12,581.64
  4. Step 4: Simplify right side
    31,307.94x = 590,711,017.59
  5. Step 5: Solve for x
    x = 590,711,017.59/31,307.94
  6. Step 6: Final answer
    x = 18,867.77

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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.