Home / 29,358.81-40,515.21-16,783.56

Finding the Fourth Proportional to 29,358.81, 40,515.21 and 16,783.56

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Solution

The fourth proportional to 29,358.81, 40,515.21 and 16,783.56 is: 23,161.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,358.81 : 40,515.21 = 16,783.56 : x
  2. Step 2: Convert to fraction form
    29,358.81/40,515.21 = 16,783.56/x
  3. Step 3: Cross multiply
    29,358.81x = 40,515.21 × 16,783.56
  4. Step 4: Simplify right side
    29,358.81x = 679,989,457.95
  5. Step 5: Solve for x
    x = 679,989,457.95/29,358.81
  6. Step 6: Final answer
    x = 23,161.34

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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.