Home / 31,276.96-46,915.52-7,903.20

Finding the Fourth Proportional to 31,276.96, 46,915.52 and 7,903.20

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Solution

The fourth proportional to 31,276.96, 46,915.52 and 7,903.20 is: 11,854.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,276.96 : 46,915.52 = 7,903.20 : x
  2. Step 2: Convert to fraction form
    31,276.96/46,915.52 = 7,903.20/x
  3. Step 3: Cross multiply
    31,276.96x = 46,915.52 × 7,903.20
  4. Step 4: Simplify right side
    31,276.96x = 370,782,737.66
  5. Step 5: Solve for x
    x = 370,782,737.66/31,276.96
  6. Step 6: Final answer
    x = 11,854.82

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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.