Home / 31,325.08-46,989.28-7,951.72

Finding the Fourth Proportional to 31,325.08, 46,989.28 and 7,951.72

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Solution

The fourth proportional to 31,325.08, 46,989.28 and 7,951.72 is: 11,928.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,325.08 : 46,989.28 = 7,951.72 : x
  2. Step 2: Convert to fraction form
    31,325.08/46,989.28 = 7,951.72/x
  3. Step 3: Cross multiply
    31,325.08x = 46,989.28 × 7,951.72
  4. Step 4: Simplify right side
    31,325.08x = 373,645,597.56
  5. Step 5: Solve for x
    x = 373,645,597.56/31,325.08
  6. Step 6: Final answer
    x = 11,928.00

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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.