Home / 31,070.67-46,587.57-12,340.64

Finding the Fourth Proportional to 31,070.67, 46,587.57 and 12,340.64

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Solution

The fourth proportional to 31,070.67, 46,587.57 and 12,340.64 is: 18,503.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,070.67 : 46,587.57 = 12,340.64 : x
  2. Step 2: Convert to fraction form
    31,070.67/46,587.57 = 12,340.64/x
  3. Step 3: Cross multiply
    31,070.67x = 46,587.57 × 12,340.64
  4. Step 4: Simplify right side
    31,070.67x = 574,920,196.91
  5. Step 5: Solve for x
    x = 574,920,196.91/31,070.67
  6. Step 6: Final answer
    x = 18,503.63

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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.