Home / 31,280.76-46,883.61-21,869.46

Finding the Fourth Proportional to 31,280.76, 46,883.61 and 21,869.46

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Solution

The fourth proportional to 31,280.76, 46,883.61 and 21,869.46 is: 32,777.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,280.76 : 46,883.61 = 21,869.46 : x
  2. Step 2: Convert to fraction form
    31,280.76/46,883.61 = 21,869.46/x
  3. Step 3: Cross multiply
    31,280.76x = 46,883.61 × 21,869.46
  4. Step 4: Simplify right side
    31,280.76x = 1,025,319,233.55
  5. Step 5: Solve for x
    x = 1,025,319,233.55/31,280.76
  6. Step 6: Final answer
    x = 32,777.95

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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.