Home / 29,216.16-40,321.80-16,643.34

Finding the Fourth Proportional to 29,216.16, 40,321.80 and 16,643.34

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Solution

The fourth proportional to 29,216.16, 40,321.80 and 16,643.34 is: 22,969.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,216.16 : 40,321.80 = 16,643.34 : x
  2. Step 2: Convert to fraction form
    29,216.16/40,321.80 = 16,643.34/x
  3. Step 3: Cross multiply
    29,216.16x = 40,321.80 × 16,643.34
  4. Step 4: Simplify right side
    29,216.16x = 671,089,426.81
  5. Step 5: Solve for x
    x = 671,089,426.81/29,216.16
  6. Step 6: Final answer
    x = 22,969.80

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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.