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Finding the Fourth Proportional to 62,816.80, 86,692.04 and 35,967.76

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Solution

The fourth proportional to 62,816.80, 86,692.04 and 35,967.76 is: 49,638.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,816.80 : 86,692.04 = 35,967.76 : x
  2. Step 2: Convert to fraction form
    62,816.80/86,692.04 = 35,967.76/x
  3. Step 3: Cross multiply
    62,816.80x = 86,692.04 × 35,967.76
  4. Step 4: Simplify right side
    62,816.80x = 3,118,118,488.63
  5. Step 5: Solve for x
    x = 3,118,118,488.63/62,816.80
  6. Step 6: Final answer
    x = 49,638.29

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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.