Home / 55,030.49-82,541.69-17,580.51

Finding the Fourth Proportional to 55,030.49, 82,541.69 and 17,580.51

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Solution

The fourth proportional to 55,030.49, 82,541.69 and 17,580.51 is: 26,369.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    55,030.49 : 82,541.69 = 17,580.51 : x
  2. Step 2: Convert to fraction form
    55,030.49/82,541.69 = 17,580.51/x
  3. Step 3: Cross multiply
    55,030.49x = 82,541.69 × 17,580.51
  4. Step 4: Simplify right side
    55,030.49x = 1,451,125,006.46
  5. Step 5: Solve for x
    x = 1,451,125,006.46/55,030.49
  6. Step 6: Final answer
    x = 26,369.47

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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.