Home / 30,935.74-42,713.58-19,015.24

Finding the Fourth Proportional to 30,935.74, 42,713.58 and 19,015.24

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Solution

The fourth proportional to 30,935.74, 42,713.58 and 19,015.24 is: 26,254.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,935.74 : 42,713.58 = 19,015.24 : x
  2. Step 2: Convert to fraction form
    30,935.74/42,713.58 = 19,015.24/x
  3. Step 3: Cross multiply
    30,935.74x = 42,713.58 × 19,015.24
  4. Step 4: Simplify right side
    30,935.74x = 812,208,974.96
  5. Step 5: Solve for x
    x = 812,208,974.96/30,935.74
  6. Step 6: Final answer
    x = 26,254.71

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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.