Home / 30,935.56-42,695.22-19,610.68

Finding the Fourth Proportional to 30,935.56, 42,695.22 and 19,610.68

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Solution

The fourth proportional to 30,935.56, 42,695.22 and 19,610.68 is: 27,065.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.56 : 42,695.22 = 19,610.68 : x
  2. Step 2: Convert to fraction form
    30,935.56/42,695.22 = 19,610.68/x
  3. Step 3: Cross multiply
    30,935.56x = 42,695.22 × 19,610.68
  4. Step 4: Simplify right side
    30,935.56x = 837,282,296.95
  5. Step 5: Solve for x
    x = 837,282,296.95/30,935.56
  6. Step 6: Final answer
    x = 27,065.37

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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.