Home / 51,071.35-70,473.09-28,406.65

Finding the Fourth Proportional to 51,071.35, 70,473.09 and 28,406.65

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Solution

The fourth proportional to 51,071.35, 70,473.09 and 28,406.65 is: 39,198.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,071.35 : 70,473.09 = 28,406.65 : x
  2. Step 2: Convert to fraction form
    51,071.35/70,473.09 = 28,406.65/x
  3. Step 3: Cross multiply
    51,071.35x = 70,473.09 × 28,406.65
  4. Step 4: Simplify right side
    51,071.35x = 2,001,904,402.05
  5. Step 5: Solve for x
    x = 2,001,904,402.05/51,071.35
  6. Step 6: Final answer
    x = 39,198.19

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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.