Home / 30,908.95-46,347.90-15,115.21

Finding the Fourth Proportional to 30,908.95, 46,347.90 and 15,115.21

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Solution

The fourth proportional to 30,908.95, 46,347.90 and 15,115.21 is: 22,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,908.95 : 46,347.90 = 15,115.21 : x
  2. Step 2: Convert to fraction form
    30,908.95/46,347.90 = 15,115.21/x
  3. Step 3: Cross multiply
    30,908.95x = 46,347.90 × 15,115.21
  4. Step 4: Simplify right side
    30,908.95x = 700,558,241.56
  5. Step 5: Solve for x
    x = 700,558,241.56/30,908.95
  6. Step 6: Final answer
    x = 22,665.22

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.