Home / 29,918.40-41,287.67-16,490.13

Finding the Fourth Proportional to 29,918.40, 41,287.67 and 16,490.13

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Solution

The fourth proportional to 29,918.40, 41,287.67 and 16,490.13 is: 22,756.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,918.40 : 41,287.67 = 16,490.13 : x
  2. Step 2: Convert to fraction form
    29,918.40/41,287.67 = 16,490.13/x
  3. Step 3: Cross multiply
    29,918.40x = 41,287.67 × 16,490.13
  4. Step 4: Simplify right side
    29,918.40x = 680,839,045.70
  5. Step 5: Solve for x
    x = 680,839,045.70/29,918.40
  6. Step 6: Final answer
    x = 22,756.53

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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.