Home / 51,482.25-71,046.69-28,820.67

Finding the Fourth Proportional to 51,482.25, 71,046.69 and 28,820.67

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Solution

The fourth proportional to 51,482.25, 71,046.69 and 28,820.67 is: 39,773.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,482.25 : 71,046.69 = 28,820.67 : x
  2. Step 2: Convert to fraction form
    51,482.25/71,046.69 = 28,820.67/x
  3. Step 3: Cross multiply
    51,482.25x = 71,046.69 × 28,820.67
  4. Step 4: Simplify right side
    51,482.25x = 2,047,613,207.08
  5. Step 5: Solve for x
    x = 2,047,613,207.08/51,482.25
  6. Step 6: Final answer
    x = 39,773.19

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.