Home / 30,521.14-45,811.30-14,737.30

Finding the Fourth Proportional to 30,521.14, 45,811.30 and 14,737.30

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Solution

The fourth proportional to 30,521.14, 45,811.30 and 14,737.30 is: 22,120.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,521.14 : 45,811.30 = 14,737.30 : x
  2. Step 2: Convert to fraction form
    30,521.14/45,811.30 = 14,737.30/x
  3. Step 3: Cross multiply
    30,521.14x = 45,811.30 × 14,737.30
  4. Step 4: Simplify right side
    30,521.14x = 675,134,871.49
  5. Step 5: Solve for x
    x = 675,134,871.49/30,521.14
  6. Step 6: Final answer
    x = 22,120.24

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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.