Home / 55,325.78-82,946.13-28,643.16

Finding the Fourth Proportional to 55,325.78, 82,946.13 and 28,643.16

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Solution

The fourth proportional to 55,325.78, 82,946.13 and 28,643.16 is: 42,942.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,325.78 : 82,946.13 = 28,643.16 : x
  2. Step 2: Convert to fraction form
    55,325.78/82,946.13 = 28,643.16/x
  3. Step 3: Cross multiply
    55,325.78x = 82,946.13 × 28,643.16
  4. Step 4: Simplify right side
    55,325.78x = 2,375,839,637.72
  5. Step 5: Solve for x
    x = 2,375,839,637.72/55,325.78
  6. Step 6: Final answer
    x = 42,942.72

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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.