Home / 35,886.11-49,521.98-19,970.21

Finding the Fourth Proportional to 35,886.11, 49,521.98 and 19,970.21

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Solution

The fourth proportional to 35,886.11, 49,521.98 and 19,970.21 is: 27,558.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,886.11 : 49,521.98 = 19,970.21 : x
  2. Step 2: Convert to fraction form
    35,886.11/49,521.98 = 19,970.21/x
  3. Step 3: Cross multiply
    35,886.11x = 49,521.98 × 19,970.21
  4. Step 4: Simplify right side
    35,886.11x = 988,964,513.95
  5. Step 5: Solve for x
    x = 988,964,513.95/35,886.11
  6. Step 6: Final answer
    x = 27,558.42

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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.