Home / 29,148.81-40,224.87-17,816.55

Finding the Fourth Proportional to 29,148.81, 40,224.87 and 17,816.55

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Solution

The fourth proportional to 29,148.81, 40,224.87 and 17,816.55 is: 24,586.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.81 : 40,224.87 = 17,816.55 : x
  2. Step 2: Convert to fraction form
    29,148.81/40,224.87 = 17,816.55/x
  3. Step 3: Cross multiply
    29,148.81x = 40,224.87 × 17,816.55
  4. Step 4: Simplify right side
    29,148.81x = 716,668,407.60
  5. Step 5: Solve for x
    x = 716,668,407.60/29,148.81
  6. Step 6: Final answer
    x = 24,586.54

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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.