Home / 52,611.21-72,603.39-28,737.88

Finding the Fourth Proportional to 52,611.21, 72,603.39 and 28,737.88

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Solution

The fourth proportional to 52,611.21, 72,603.39 and 28,737.88 is: 39,658.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,611.21 : 72,603.39 = 28,737.88 : x
  2. Step 2: Convert to fraction form
    52,611.21/72,603.39 = 28,737.88/x
  3. Step 3: Cross multiply
    52,611.21x = 72,603.39 × 28,737.88
  4. Step 4: Simplify right side
    52,611.21x = 2,086,467,509.41
  5. Step 5: Solve for x
    x = 2,086,467,509.41/52,611.21
  6. Step 6: Final answer
    x = 39,658.23

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.