Home / 32,756.36-45,201.38-20,181.32

Finding the Fourth Proportional to 32,756.36, 45,201.38 and 20,181.32

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Solution

The fourth proportional to 32,756.36, 45,201.38 and 20,181.32 is: 27,848.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,756.36 : 45,201.38 = 20,181.32 : x
  2. Step 2: Convert to fraction form
    32,756.36/45,201.38 = 20,181.32/x
  3. Step 3: Cross multiply
    32,756.36x = 45,201.38 × 20,181.32
  4. Step 4: Simplify right side
    32,756.36x = 912,223,514.22
  5. Step 5: Solve for x
    x = 912,223,514.22/32,756.36
  6. Step 6: Final answer
    x = 27,848.74

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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.