Home / 32,649.21-45,066.16-18,511.47

Finding the Fourth Proportional to 32,649.21, 45,066.16 and 18,511.47

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Solution

The fourth proportional to 32,649.21, 45,066.16 and 18,511.47 is: 25,551.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,649.21 : 45,066.16 = 18,511.47 : x
  2. Step 2: Convert to fraction form
    32,649.21/45,066.16 = 18,511.47/x
  3. Step 3: Cross multiply
    32,649.21x = 45,066.16 × 18,511.47
  4. Step 4: Simplify right side
    32,649.21x = 834,240,868.86
  5. Step 5: Solve for x
    x = 834,240,868.86/32,649.21
  6. Step 6: Final answer
    x = 25,551.64

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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.