Home / 51,742.36-77,616.29-22,130.38

Finding the Fourth Proportional to 51,742.36, 77,616.29 and 22,130.38

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Solution

The fourth proportional to 51,742.36, 77,616.29 and 22,130.38 is: 33,196.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,742.36 : 77,616.29 = 22,130.38 : x
  2. Step 2: Convert to fraction form
    51,742.36/77,616.29 = 22,130.38/x
  3. Step 3: Cross multiply
    51,742.36x = 77,616.29 × 22,130.38
  4. Step 4: Simplify right side
    51,742.36x = 1,717,677,991.89
  5. Step 5: Solve for x
    x = 1,717,677,991.89/51,742.36
  6. Step 6: Final answer
    x = 33,196.75

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.