Home / 31,210.50-46,815.75-12,498.96

Finding the Fourth Proportional to 31,210.50, 46,815.75 and 12,498.96

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Solution

The fourth proportional to 31,210.50, 46,815.75 and 12,498.96 is: 18,748.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,210.50 : 46,815.75 = 12,498.96 : x
  2. Step 2: Convert to fraction form
    31,210.50/46,815.75 = 12,498.96/x
  3. Step 3: Cross multiply
    31,210.50x = 46,815.75 × 12,498.96
  4. Step 4: Simplify right side
    31,210.50x = 585,148,186.62
  5. Step 5: Solve for x
    x = 585,148,186.62/31,210.50
  6. Step 6: Final answer
    x = 18,748.44

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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.