Home / 31,278.02-46,917.34-7,904.46

Finding the Fourth Proportional to 31,278.02, 46,917.34 and 7,904.46

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Solution

The fourth proportional to 31,278.02, 46,917.34 and 7,904.46 is: 11,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,278.02 : 46,917.34 = 7,904.46 : x
  2. Step 2: Convert to fraction form
    31,278.02/46,917.34 = 7,904.46/x
  3. Step 3: Cross multiply
    31,278.02x = 46,917.34 × 7,904.46
  4. Step 4: Simplify right side
    31,278.02x = 370,856,217.58
  5. Step 5: Solve for x
    x = 370,856,217.58/31,278.02
  6. Step 6: Final answer
    x = 11,856.77

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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.