Home / 43,998.21-66,009.51-20,313

Finding the Fourth Proportional to 43,998.21, 66,009.51 and 20,313

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Solution

The fourth proportional to 43,998.21, 66,009.51 and 20,313 is: 30,475.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,998.21 : 66,009.51 = 20,313 : x
  2. Step 2: Convert to fraction form
    43,998.21/66,009.51 = 20,313/x
  3. Step 3: Cross multiply
    43,998.21x = 66,009.51 × 20,313
  4. Step 4: Simplify right side
    43,998.21x = 1,340,851,176.63
  5. Step 5: Solve for x
    x = 1,340,851,176.63/43,998.21
  6. Step 6: Final answer
    x = 30,475.13

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.