Home / 30,289.85-41,799.47-16,860.72

Finding the Fourth Proportional to 30,289.85, 41,799.47 and 16,860.72

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Solution

The fourth proportional to 30,289.85, 41,799.47 and 16,860.72 is: 23,267.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,289.85 : 41,799.47 = 16,860.72 : x
  2. Step 2: Convert to fraction form
    30,289.85/41,799.47 = 16,860.72/x
  3. Step 3: Cross multiply
    30,289.85x = 41,799.47 × 16,860.72
  4. Step 4: Simplify right side
    30,289.85x = 704,769,075.51
  5. Step 5: Solve for x
    x = 704,769,075.51/30,289.85
  6. Step 6: Final answer
    x = 23,267.50

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Similar ratio
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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.