Home / 30,409.28-45,616.36-10,692.26

Finding the Fourth Proportional to 30,409.28, 45,616.36 and 10,692.26

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Solution

The fourth proportional to 30,409.28, 45,616.36 and 10,692.26 is: 16,039.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,409.28 : 45,616.36 = 10,692.26 : x
  2. Step 2: Convert to fraction form
    30,409.28/45,616.36 = 10,692.26/x
  3. Step 3: Cross multiply
    30,409.28x = 45,616.36 × 10,692.26
  4. Step 4: Simplify right side
    30,409.28x = 487,741,981.37
  5. Step 5: Solve for x
    x = 487,741,981.37/30,409.28
  6. Step 6: Final answer
    x = 16,039.25

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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.