Home / 30,529.36-45,798.63-10,808.11

Finding the Fourth Proportional to 30,529.36, 45,798.63 and 10,808.11

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Solution

The fourth proportional to 30,529.36, 45,798.63 and 10,808.11 is: 16,213.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,529.36 : 45,798.63 = 10,808.11 : x
  2. Step 2: Convert to fraction form
    30,529.36/45,798.63 = 10,808.11/x
  3. Step 3: Cross multiply
    30,529.36x = 45,798.63 × 10,808.11
  4. Step 4: Simplify right side
    30,529.36x = 494,996,630.89
  5. Step 5: Solve for x
    x = 494,996,630.89/30,529.36
  6. Step 6: Final answer
    x = 16,213.79

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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.