Home / 30,880.36-42,615.05-16,733.23

Finding the Fourth Proportional to 30,880.36, 42,615.05 and 16,733.23

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Solution

The fourth proportional to 30,880.36, 42,615.05 and 16,733.23 is: 23,091.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,880.36 : 42,615.05 = 16,733.23 : x
  2. Step 2: Convert to fraction form
    30,880.36/42,615.05 = 16,733.23/x
  3. Step 3: Cross multiply
    30,880.36x = 42,615.05 × 16,733.23
  4. Step 4: Simplify right side
    30,880.36x = 713,087,349.45
  5. Step 5: Solve for x
    x = 713,087,349.45/30,880.36
  6. Step 6: Final answer
    x = 23,091.94

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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.