Home / 50,029.07-75,043.73-20,446.90

Finding the Fourth Proportional to 50,029.07, 75,043.73 and 20,446.90

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Solution

The fourth proportional to 50,029.07, 75,043.73 and 20,446.90 is: 30,670.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,029.07 : 75,043.73 = 20,446.90 : x
  2. Step 2: Convert to fraction form
    50,029.07/75,043.73 = 20,446.90/x
  3. Step 3: Cross multiply
    50,029.07x = 75,043.73 × 20,446.90
  4. Step 4: Simplify right side
    50,029.07x = 1,534,411,506.44
  5. Step 5: Solve for x
    x = 1,534,411,506.44/50,029.07
  6. Step 6: Final answer
    x = 30,670.40

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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.