Home / 50,025.64-75,038.46-20,443.48

Finding the Fourth Proportional to 50,025.64, 75,038.46 and 20,443.48

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Solution

The fourth proportional to 50,025.64, 75,038.46 and 20,443.48 is: 30,665.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,025.64 : 75,038.46 = 20,443.48 : x
  2. Step 2: Convert to fraction form
    50,025.64/75,038.46 = 20,443.48/x
  3. Step 3: Cross multiply
    50,025.64x = 75,038.46 × 20,443.48
  4. Step 4: Simplify right side
    50,025.64x = 1,534,047,256.24
  5. Step 5: Solve for x
    x = 1,534,047,256.24/50,025.64
  6. Step 6: Final answer
    x = 30,665.22

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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.