Home / 30,435.36-41,999.04-17,864.16

Finding the Fourth Proportional to 30,435.36, 41,999.04 and 17,864.16

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Solution

The fourth proportional to 30,435.36, 41,999.04 and 17,864.16 is: 24,651.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435.36 : 41,999.04 = 17,864.16 : x
  2. Step 2: Convert to fraction form
    30,435.36/41,999.04 = 17,864.16/x
  3. Step 3: Cross multiply
    30,435.36x = 41,999.04 × 17,864.16
  4. Step 4: Simplify right side
    30,435.36x = 750,277,570.41
  5. Step 5: Solve for x
    x = 750,277,570.41/30,435.36
  6. Step 6: Final answer
    x = 24,651.51

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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.