Home / 30,199.77-45,271.70-11,474.19

Finding the Fourth Proportional to 30,199.77, 45,271.70 and 11,474.19

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Solution

The fourth proportional to 30,199.77, 45,271.70 and 11,474.19 is: 17,200.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,199.77 : 45,271.70 = 11,474.19 : x
  2. Step 2: Convert to fraction form
    30,199.77/45,271.70 = 11,474.19/x
  3. Step 3: Cross multiply
    30,199.77x = 45,271.70 × 11,474.19
  4. Step 4: Simplify right side
    30,199.77x = 519,456,087.42
  5. Step 5: Solve for x
    x = 519,456,087.42/30,199.77
  6. Step 6: Final answer
    x = 17,200.66

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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.