Home / 29,317.96-40,460.10-20,829.16

Finding the Fourth Proportional to 29,317.96, 40,460.10 and 20,829.16

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Solution

The fourth proportional to 29,317.96, 40,460.10 and 20,829.16 is: 28,745.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,317.96 : 40,460.10 = 20,829.16 : x
  2. Step 2: Convert to fraction form
    29,317.96/40,460.10 = 20,829.16/x
  3. Step 3: Cross multiply
    29,317.96x = 40,460.10 × 20,829.16
  4. Step 4: Simplify right side
    29,317.96x = 842,749,896.52
  5. Step 5: Solve for x
    x = 842,749,896.52/29,317.96
  6. Step 6: Final answer
    x = 28,745.18

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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.