Home / 29,218.43-40,323.48-16,643.18

Finding the Fourth Proportional to 29,218.43, 40,323.48 and 16,643.18

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Solution

The fourth proportional to 29,218.43, 40,323.48 and 16,643.18 is: 22,968.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,218.43 : 40,323.48 = 16,643.18 : x
  2. Step 2: Convert to fraction form
    29,218.43/40,323.48 = 16,643.18/x
  3. Step 3: Cross multiply
    29,218.43x = 40,323.48 × 16,643.18
  4. Step 4: Simplify right side
    29,218.43x = 671,110,935.87
  5. Step 5: Solve for x
    x = 671,110,935.87/29,218.43
  6. Step 6: Final answer
    x = 22,968.75

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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.