Home / 47,617.56-65,682.36-30,643.92

Finding the Fourth Proportional to 47,617.56, 65,682.36 and 30,643.92

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Solution

The fourth proportional to 47,617.56, 65,682.36 and 30,643.92 is: 42,269.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,617.56 : 65,682.36 = 30,643.92 : x
  2. Step 2: Convert to fraction form
    47,617.56/65,682.36 = 30,643.92/x
  3. Step 3: Cross multiply
    47,617.56x = 65,682.36 × 30,643.92
  4. Step 4: Simplify right side
    47,617.56x = 2,012,764,985.25
  5. Step 5: Solve for x
    x = 2,012,764,985.25/47,617.56
  6. Step 6: Final answer
    x = 42,269.39

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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.