Home / 47,035.49-64,921.43-29,120.32

Finding the Fourth Proportional to 47,035.49, 64,921.43 and 29,120.32

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Solution

The fourth proportional to 47,035.49, 64,921.43 and 29,120.32 is: 40,193.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,035.49 : 64,921.43 = 29,120.32 : x
  2. Step 2: Convert to fraction form
    47,035.49/64,921.43 = 29,120.32/x
  3. Step 3: Cross multiply
    47,035.49x = 64,921.43 × 29,120.32
  4. Step 4: Simplify right side
    47,035.49x = 1,890,532,684.88
  5. Step 5: Solve for x
    x = 1,890,532,684.88/47,035.49
  6. Step 6: Final answer
    x = 40,193.75

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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.