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Finding the Fourth Proportional to 53,795.20, 80,692.80 and 41,353.60

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Solution

The fourth proportional to 53,795.20, 80,692.80 and 41,353.60 is: 62,030.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    53,795.20 : 80,692.80 = 41,353.60 : x
  2. Step 2: Convert to fraction form
    53,795.20/80,692.80 = 41,353.60/x
  3. Step 3: Cross multiply
    53,795.20x = 80,692.80 × 41,353.60
  4. Step 4: Simplify right side
    53,795.20x = 3,336,937,774.08
  5. Step 5: Solve for x
    x = 3,336,937,774.08/53,795.20
  6. Step 6: Final answer
    x = 62,030.40

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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.