Home / 50,649.81-75,908.95-20,629.03

Finding the Fourth Proportional to 50,649.81, 75,908.95 and 20,629.03

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Solution

The fourth proportional to 50,649.81, 75,908.95 and 20,629.03 is: 30,916.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.81 : 75,908.95 = 20,629.03 : x
  2. Step 2: Convert to fraction form
    50,649.81/75,908.95 = 20,629.03/x
  3. Step 3: Cross multiply
    50,649.81x = 75,908.95 × 20,629.03
  4. Step 4: Simplify right side
    50,649.81x = 1,565,927,907.80
  5. Step 5: Solve for x
    x = 1,565,927,907.80/50,649.81
  6. Step 6: Final answer
    x = 30,916.76

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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.