Home / 31,071.60-46,600.20-8,880.84

Finding the Fourth Proportional to 31,071.60, 46,600.20 and 8,880.84

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Solution

The fourth proportional to 31,071.60, 46,600.20 and 8,880.84 is: 13,319.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,071.60 : 46,600.20 = 8,880.84 : x
  2. Step 2: Convert to fraction form
    31,071.60/46,600.20 = 8,880.84/x
  3. Step 3: Cross multiply
    31,071.60x = 46,600.20 × 8,880.84
  4. Step 4: Simplify right side
    31,071.60x = 413,848,920.17
  5. Step 5: Solve for x
    x = 413,848,920.17/31,071.60
  6. Step 6: Final answer
    x = 13,319.20

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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.