Home / 30,410.28-41,947.26-18,461.96

Finding the Fourth Proportional to 30,410.28, 41,947.26 and 18,461.96

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Solution

The fourth proportional to 30,410.28, 41,947.26 and 18,461.96 is: 25,466.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,410.28 : 41,947.26 = 18,461.96 : x
  2. Step 2: Convert to fraction form
    30,410.28/41,947.26 = 18,461.96/x
  3. Step 3: Cross multiply
    30,410.28x = 41,947.26 × 18,461.96
  4. Step 4: Simplify right side
    30,410.28x = 774,428,636.23
  5. Step 5: Solve for x
    x = 774,428,636.23/30,410.28
  6. Step 6: Final answer
    x = 25,466.01

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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.