Home / 32,719.60-45,181.12-31,661.64

Finding the Fourth Proportional to 32,719.60, 45,181.12 and 31,661.64

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Solution

The fourth proportional to 32,719.60, 45,181.12 and 31,661.64 is: 43,720.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    32,719.60 : 45,181.12 = 31,661.64 : x
  2. Step 2: Convert to fraction form
    32,719.60/45,181.12 = 31,661.64/x
  3. Step 3: Cross multiply
    32,719.60x = 45,181.12 × 31,661.64
  4. Step 4: Simplify right side
    32,719.60x = 1,430,508,356.24
  5. Step 5: Solve for x
    x = 1,430,508,356.24/32,719.60
  6. Step 6: Final answer
    x = 43,720.23

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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.