Home / 47,140.47-70,692.21-17,542.11

Finding the Fourth Proportional to 47,140.47, 70,692.21 and 17,542.11

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Solution

The fourth proportional to 47,140.47, 70,692.21 and 17,542.11 is: 26,306.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,140.47 : 70,692.21 = 17,542.11 : x
  2. Step 2: Convert to fraction form
    47,140.47/70,692.21 = 17,542.11/x
  3. Step 3: Cross multiply
    47,140.47x = 70,692.21 × 17,542.11
  4. Step 4: Simplify right side
    47,140.47x = 1,240,090,523.96
  5. Step 5: Solve for x
    x = 1,240,090,523.96/47,140.47
  6. Step 6: Final answer
    x = 26,306.28

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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.