Home / 52,539.21-72,504.35-28,666.39

Finding the Fourth Proportional to 52,539.21, 72,504.35 and 28,666.39

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Solution

The fourth proportional to 52,539.21, 72,504.35 and 28,666.39 is: 39,559.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,539.21 : 72,504.35 = 28,666.39 : x
  2. Step 2: Convert to fraction form
    52,539.21/72,504.35 = 28,666.39/x
  3. Step 3: Cross multiply
    52,539.21x = 72,504.35 × 28,666.39
  4. Step 4: Simplify right side
    52,539.21x = 2,078,437,467.94
  5. Step 5: Solve for x
    x = 2,078,437,467.94/52,539.21
  6. Step 6: Final answer
    x = 39,559.74

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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.