Home / 30,482.64-45,650.04-21,096.36

Finding the Fourth Proportional to 30,482.64, 45,650.04 and 21,096.36

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Solution

The fourth proportional to 30,482.64, 45,650.04 and 21,096.36 is: 31,593.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,482.64 : 45,650.04 = 21,096.36 : x
  2. Step 2: Convert to fraction form
    30,482.64/45,650.04 = 21,096.36/x
  3. Step 3: Cross multiply
    30,482.64x = 45,650.04 × 21,096.36
  4. Step 4: Simplify right side
    30,482.64x = 963,049,677.85
  5. Step 5: Solve for x
    x = 963,049,677.85/30,482.64
  6. Step 6: Final answer
    x = 31,593.38

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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.