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Finding the Fourth Proportional to 35,888.54, 49,525.80 and 19,972.72

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Solution

The fourth proportional to 35,888.54, 49,525.80 and 19,972.72 is: 27,562.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,888.54 : 49,525.80 = 19,972.72 : x
  2. Step 2: Convert to fraction form
    35,888.54/49,525.80 = 19,972.72/x
  3. Step 3: Cross multiply
    35,888.54x = 49,525.80 × 19,972.72
  4. Step 4: Simplify right side
    35,888.54x = 989,164,936.18
  5. Step 5: Solve for x
    x = 989,164,936.18/35,888.54
  6. Step 6: Final answer
    x = 27,562.14

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1.5x scale

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.