Home / 30,914.16-42,661.32-17,302.23

Finding the Fourth Proportional to 30,914.16, 42,661.32 and 17,302.23

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Solution

The fourth proportional to 30,914.16, 42,661.32 and 17,302.23 is: 23,876.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,914.16 : 42,661.32 = 17,302.23 : x
  2. Step 2: Convert to fraction form
    30,914.16/42,661.32 = 17,302.23/x
  3. Step 3: Cross multiply
    30,914.16x = 42,661.32 × 17,302.23
  4. Step 4: Simplify right side
    30,914.16x = 738,135,970.74
  5. Step 5: Solve for x
    x = 738,135,970.74/30,914.16
  6. Step 6: Final answer
    x = 23,876.95

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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.