Home / 31,212.24-43,075.84-17,787.84

Finding the Fourth Proportional to 31,212.24, 43,075.84 and 17,787.84

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Solution

The fourth proportional to 31,212.24, 43,075.84 and 17,787.84 is: 24,548.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,212.24 : 43,075.84 = 17,787.84 : x
  2. Step 2: Convert to fraction form
    31,212.24/43,075.84 = 17,787.84/x
  3. Step 3: Cross multiply
    31,212.24x = 43,075.84 × 17,787.84
  4. Step 4: Simplify right side
    31,212.24x = 766,226,149.79
  5. Step 5: Solve for x
    x = 766,226,149.79/31,212.24
  6. Step 6: Final answer
    x = 24,548.90

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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.