Home / 30,469.77-42,048.72-17,041.59

Finding the Fourth Proportional to 30,469.77, 42,048.72 and 17,041.59

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Solution

The fourth proportional to 30,469.77, 42,048.72 and 17,041.59 is: 23,517.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,469.77 : 42,048.72 = 17,041.59 : x
  2. Step 2: Convert to fraction form
    30,469.77/42,048.72 = 17,041.59/x
  3. Step 3: Cross multiply
    30,469.77x = 42,048.72 × 17,041.59
  4. Step 4: Simplify right side
    30,469.77x = 716,577,046.26
  5. Step 5: Solve for x
    x = 716,577,046.26/30,469.77
  6. Step 6: Final answer
    x = 23,517.64

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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.