Home / 47,570.72-65,692.08-30,604.48

Finding the Fourth Proportional to 47,570.72, 65,692.08 and 30,604.48

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Solution

The fourth proportional to 47,570.72, 65,692.08 and 30,604.48 is: 42,262.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,570.72 : 65,692.08 = 30,604.48 : x
  2. Step 2: Convert to fraction form
    47,570.72/65,692.08 = 30,604.48/x
  3. Step 3: Cross multiply
    47,570.72x = 65,692.08 × 30,604.48
  4. Step 4: Simplify right side
    47,570.72x = 2,010,471,948.52
  5. Step 5: Solve for x
    x = 2,010,471,948.52/47,570.72
  6. Step 6: Final answer
    x = 42,262.80

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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.