Home / 47,722.40-71,583.60-42,965.68

Finding the Fourth Proportional to 47,722.40, 71,583.60 and 42,965.68

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Solution

The fourth proportional to 47,722.40, 71,583.60 and 42,965.68 is: 64,448.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,722.40 : 71,583.60 = 42,965.68 : x
  2. Step 2: Convert to fraction form
    47,722.40/71,583.60 = 42,965.68/x
  3. Step 3: Cross multiply
    47,722.40x = 71,583.60 × 42,965.68
  4. Step 4: Simplify right side
    47,722.40x = 3,075,637,692.93
  5. Step 5: Solve for x
    x = 3,075,637,692.93/47,722.40
  6. Step 6: Final answer
    x = 64,448.51

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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.