Home / 35,678.93-49,236.80-20,571.53

Finding the Fourth Proportional to 35,678.93, 49,236.80 and 20,571.53

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Solution

The fourth proportional to 35,678.93, 49,236.80 and 20,571.53 is: 28,388.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,678.93 : 49,236.80 = 20,571.53 : x
  2. Step 2: Convert to fraction form
    35,678.93/49,236.80 = 20,571.53/x
  3. Step 3: Cross multiply
    35,678.93x = 49,236.80 × 20,571.53
  4. Step 4: Simplify right side
    35,678.93x = 1,012,875,959.26
  5. Step 5: Solve for x
    x = 1,012,875,959.26/35,678.93
  6. Step 6: Final answer
    x = 28,388.63

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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.