Home / 35,988.45-49,664.80-20,071.19

Finding the Fourth Proportional to 35,988.45, 49,664.80 and 20,071.19

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Solution

The fourth proportional to 35,988.45, 49,664.80 and 20,071.19 is: 27,698.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,988.45 : 49,664.80 = 20,071.19 : x
  2. Step 2: Convert to fraction form
    35,988.45/49,664.80 = 20,071.19/x
  3. Step 3: Cross multiply
    35,988.45x = 49,664.80 × 20,071.19
  4. Step 4: Simplify right side
    35,988.45x = 996,831,673.46
  5. Step 5: Solve for x
    x = 996,831,673.46/35,988.45
  6. Step 6: Final answer
    x = 27,698.65

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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.