Home / 31,114.40-46,664.64-8,927.66

Finding the Fourth Proportional to 31,114.40, 46,664.64 and 8,927.66

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Solution

The fourth proportional to 31,114.40, 46,664.64 and 8,927.66 is: 13,389.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,114.40 : 46,664.64 = 8,927.66 : x
  2. Step 2: Convert to fraction form
    31,114.40/46,664.64 = 8,927.66/x
  3. Step 3: Cross multiply
    31,114.40x = 46,664.64 × 8,927.66
  4. Step 4: Simplify right side
    31,114.40x = 416,606,039.94
  5. Step 5: Solve for x
    x = 416,606,039.94/31,114.40
  6. Step 6: Final answer
    x = 13,389.49

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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.