Home / 47,692.60-65,806.23-30,670.18

Finding the Fourth Proportional to 47,692.60, 65,806.23 and 30,670.18

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Solution

The fourth proportional to 47,692.60, 65,806.23 and 30,670.18 is: 42,318.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,692.60 : 65,806.23 = 30,670.18 : x
  2. Step 2: Convert to fraction form
    47,692.60/65,806.23 = 30,670.18/x
  3. Step 3: Cross multiply
    47,692.60x = 65,806.23 × 30,670.18
  4. Step 4: Simplify right side
    47,692.60x = 2,018,288,919.22
  5. Step 5: Solve for x
    x = 2,018,288,919.22/47,692.60
  6. Step 6: Final answer
    x = 42,318.70

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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.