Home / 31,054.26-42,855.03-16,907.20

Finding the Fourth Proportional to 31,054.26, 42,855.03 and 16,907.20

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Solution

The fourth proportional to 31,054.26, 42,855.03 and 16,907.20 is: 23,332.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,054.26 : 42,855.03 = 16,907.20 : x
  2. Step 2: Convert to fraction form
    31,054.26/42,855.03 = 16,907.20/x
  3. Step 3: Cross multiply
    31,054.26x = 42,855.03 × 16,907.20
  4. Step 4: Simplify right side
    31,054.26x = 724,558,563.22
  5. Step 5: Solve for x
    x = 724,558,563.22/31,054.26
  6. Step 6: Final answer
    x = 23,332.02

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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.