Home / 52,420.14-72,339.74-28,546.98

Finding the Fourth Proportional to 52,420.14, 72,339.74 and 28,546.98

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Solution

The fourth proportional to 52,420.14, 72,339.74 and 28,546.98 is: 39,394.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,420.14 : 72,339.74 = 28,546.98 : x
  2. Step 2: Convert to fraction form
    52,420.14/72,339.74 = 28,546.98/x
  3. Step 3: Cross multiply
    52,420.14x = 72,339.74 × 28,546.98
  4. Step 4: Simplify right side
    52,420.14x = 2,065,081,110.99
  5. Step 5: Solve for x
    x = 2,065,081,110.99/52,420.14
  6. Step 6: Final answer
    x = 39,394.80

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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.