Home / 30,393.83-41,935.73-18,457.37

Finding the Fourth Proportional to 30,393.83, 41,935.73 and 18,457.37

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Solution

The fourth proportional to 30,393.83, 41,935.73 and 18,457.37 is: 25,466.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,393.83 : 41,935.73 = 18,457.37 : x
  2. Step 2: Convert to fraction form
    30,393.83/41,935.73 = 18,457.37/x
  3. Step 3: Cross multiply
    30,393.83x = 41,935.73 × 18,457.37
  4. Step 4: Simplify right side
    30,393.83x = 774,023,140.12
  5. Step 5: Solve for x
    x = 774,023,140.12/30,393.83
  6. Step 6: Final answer
    x = 25,466.45

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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.