Home / 31,213.75-46,810.86-10,432.39

Finding the Fourth Proportional to 31,213.75, 46,810.86 and 10,432.39

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Solution

The fourth proportional to 31,213.75, 46,810.86 and 10,432.39 is: 15,645.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,213.75 : 46,810.86 = 10,432.39 : x
  2. Step 2: Convert to fraction form
    31,213.75/46,810.86 = 10,432.39/x
  3. Step 3: Cross multiply
    31,213.75x = 46,810.86 × 10,432.39
  4. Step 4: Simplify right side
    31,213.75x = 488,349,147.76
  5. Step 5: Solve for x
    x = 488,349,147.76/31,213.75
  6. Step 6: Final answer
    x = 15,645.32

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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.