Home / 35,853.08-49,478.45-19,721.07

Finding the Fourth Proportional to 35,853.08, 49,478.45 and 19,721.07

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Solution

The fourth proportional to 35,853.08, 49,478.45 and 19,721.07 is: 27,215.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,853.08 : 49,478.45 = 19,721.07 : x
  2. Step 2: Convert to fraction form
    35,853.08/49,478.45 = 19,721.07/x
  3. Step 3: Cross multiply
    35,853.08x = 49,478.45 × 19,721.07
  4. Step 4: Simplify right side
    35,853.08x = 975,767,975.94
  5. Step 5: Solve for x
    x = 975,767,975.94/35,853.08
  6. Step 6: Final answer
    x = 27,215.74

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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.