Home / 29,718.39-41,011.29-16,290.21

Finding the Fourth Proportional to 29,718.39, 41,011.29 and 16,290.21

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Solution

The fourth proportional to 29,718.39, 41,011.29 and 16,290.21 is: 22,480.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,718.39 : 41,011.29 = 16,290.21 : x
  2. Step 2: Convert to fraction form
    29,718.39/41,011.29 = 16,290.21/x
  3. Step 3: Cross multiply
    29,718.39x = 41,011.29 × 16,290.21
  4. Step 4: Simplify right side
    29,718.39x = 668,082,526.47
  5. Step 5: Solve for x
    x = 668,082,526.47/29,718.39
  6. Step 6: Final answer
    x = 22,480.44

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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.