Home / 47,128.39-70,692.22-11,589.55

Finding the Fourth Proportional to 47,128.39, 70,692.22 and 11,589.55

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Solution

The fourth proportional to 47,128.39, 70,692.22 and 11,589.55 is: 17,384.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,128.39 : 70,692.22 = 11,589.55 : x
  2. Step 2: Convert to fraction form
    47,128.39/70,692.22 = 11,589.55/x
  3. Step 3: Cross multiply
    47,128.39x = 70,692.22 × 11,589.55
  4. Step 4: Simplify right side
    47,128.39x = 819,291,018.30
  5. Step 5: Solve for x
    x = 819,291,018.30/47,128.39
  6. Step 6: Final answer
    x = 17,384.24

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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.