Home / 35,871.84-49,503.60-19,955.76

Finding the Fourth Proportional to 35,871.84, 49,503.60 and 19,955.76

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Solution

The fourth proportional to 35,871.84, 49,503.60 and 19,955.76 is: 27,539.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,871.84 : 49,503.60 = 19,955.76 : x
  2. Step 2: Convert to fraction form
    35,871.84/49,503.60 = 19,955.76/x
  3. Step 3: Cross multiply
    35,871.84x = 49,503.60 × 19,955.76
  4. Step 4: Simplify right side
    35,871.84x = 987,881,960.74
  5. Step 5: Solve for x
    x = 987,881,960.74/35,871.84
  6. Step 6: Final answer
    x = 27,539.21

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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.