Home / 30,692.04-42,357.24-18,757.64

Finding the Fourth Proportional to 30,692.04, 42,357.24 and 18,757.64

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Solution

The fourth proportional to 30,692.04, 42,357.24 and 18,757.64 is: 25,886.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,692.04 : 42,357.24 = 18,757.64 : x
  2. Step 2: Convert to fraction form
    30,692.04/42,357.24 = 18,757.64/x
  3. Step 3: Cross multiply
    30,692.04x = 42,357.24 × 18,757.64
  4. Step 4: Simplify right side
    30,692.04x = 794,521,859.31
  5. Step 5: Solve for x
    x = 794,521,859.31/30,692.04
  6. Step 6: Final answer
    x = 25,886.90

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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.