Home / 51,111.83-70,536.40-28,449.38

Finding the Fourth Proportional to 51,111.83, 70,536.40 and 28,449.38

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Solution

The fourth proportional to 51,111.83, 70,536.40 and 28,449.38 is: 39,261.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,111.83 : 70,536.40 = 28,449.38 : x
  2. Step 2: Convert to fraction form
    51,111.83/70,536.40 = 28,449.38/x
  3. Step 3: Cross multiply
    51,111.83x = 70,536.40 × 28,449.38
  4. Step 4: Simplify right side
    51,111.83x = 2,006,717,112.68
  5. Step 5: Solve for x
    x = 2,006,717,112.68/51,111.83
  6. Step 6: Final answer
    x = 39,261.31

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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.