Home / 33,323.18-45,987.21-18,216.86

Finding the Fourth Proportional to 33,323.18, 45,987.21 and 18,216.86

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Solution

The fourth proportional to 33,323.18, 45,987.21 and 18,216.86 is: 25,139.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,323.18 : 45,987.21 = 18,216.86 : x
  2. Step 2: Convert to fraction form
    33,323.18/45,987.21 = 18,216.86/x
  3. Step 3: Cross multiply
    33,323.18x = 45,987.21 × 18,216.86
  4. Step 4: Simplify right side
    33,323.18x = 837,742,336.42
  5. Step 5: Solve for x
    x = 837,742,336.42/33,323.18
  6. Step 6: Final answer
    x = 25,139.93

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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.