Home / 30,235.40-41,708.42-19,313.16

Finding the Fourth Proportional to 30,235.40, 41,708.42 and 19,313.16

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Solution

The fourth proportional to 30,235.40, 41,708.42 and 19,313.16 is: 26,641.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,235.40 : 41,708.42 = 19,313.16 : x
  2. Step 2: Convert to fraction form
    30,235.40/41,708.42 = 19,313.16/x
  3. Step 3: Cross multiply
    30,235.40x = 41,708.42 × 19,313.16
  4. Step 4: Simplify right side
    30,235.40x = 805,521,388.81
  5. Step 5: Solve for x
    x = 805,521,388.81/30,235.40
  6. Step 6: Final answer
    x = 26,641.66

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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.