Home / 33,787.77-46,628.10-18,681.41

Finding the Fourth Proportional to 33,787.77, 46,628.10 and 18,681.41

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Solution

The fourth proportional to 33,787.77, 46,628.10 and 18,681.41 is: 25,780.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,787.77 : 46,628.10 = 18,681.41 : x
  2. Step 2: Convert to fraction form
    33,787.77/46,628.10 = 18,681.41/x
  3. Step 3: Cross multiply
    33,787.77x = 46,628.10 × 18,681.41
  4. Step 4: Simplify right side
    33,787.77x = 871,078,595.34
  5. Step 5: Solve for x
    x = 871,078,595.34/33,787.77
  6. Step 6: Final answer
    x = 25,780.88

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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.