Home / 51,113.19-70,540.52-28,761.51

Finding the Fourth Proportional to 51,113.19, 70,540.52 and 28,761.51

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Solution

The fourth proportional to 51,113.19, 70,540.52 and 28,761.51 is: 39,693.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,113.19 : 70,540.52 = 28,761.51 : x
  2. Step 2: Convert to fraction form
    51,113.19/70,540.52 = 28,761.51/x
  3. Step 3: Cross multiply
    51,113.19x = 70,540.52 × 28,761.51
  4. Step 4: Simplify right side
    51,113.19x = 2,028,851,871.39
  5. Step 5: Solve for x
    x = 2,028,851,871.39/51,113.19
  6. Step 6: Final answer
    x = 39,693.31

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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.