Home / 31,250.59-46,828.90-12,512.05

Finding the Fourth Proportional to 31,250.59, 46,828.90 and 12,512.05

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Solution

The fourth proportional to 31,250.59, 46,828.90 and 12,512.05 is: 18,749.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,250.59 : 46,828.90 = 12,512.05 : x
  2. Step 2: Convert to fraction form
    31,250.59/46,828.90 = 12,512.05/x
  3. Step 3: Cross multiply
    31,250.59x = 46,828.90 × 12,512.05
  4. Step 4: Simplify right side
    31,250.59x = 585,925,538.25
  5. Step 5: Solve for x
    x = 585,925,538.25/31,250.59
  6. Step 6: Final answer
    x = 18,749.26

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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.