Home / 51,195.16-70,655.10-28,536.22

Finding the Fourth Proportional to 51,195.16, 70,655.10 and 28,536.22

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Solution

The fourth proportional to 51,195.16, 70,655.10 and 28,536.22 is: 39,383.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,195.16 : 70,655.10 = 28,536.22 : x
  2. Step 2: Convert to fraction form
    51,195.16/70,655.10 = 28,536.22/x
  3. Step 3: Cross multiply
    51,195.16x = 70,655.10 × 28,536.22
  4. Step 4: Simplify right side
    51,195.16x = 2,016,229,477.72
  5. Step 5: Solve for x
    x = 2,016,229,477.72/51,195.16
  6. Step 6: Final answer
    x = 39,383.20

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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.