Home / 50,329.02-75,501.72-18,739.20

Finding the Fourth Proportional to 50,329.02, 75,501.72 and 18,739.20

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Solution

The fourth proportional to 50,329.02, 75,501.72 and 18,739.20 is: 28,111.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,329.02 : 75,501.72 = 18,739.20 : x
  2. Step 2: Convert to fraction form
    50,329.02/75,501.72 = 18,739.20/x
  3. Step 3: Cross multiply
    50,329.02x = 75,501.72 × 18,739.20
  4. Step 4: Simplify right side
    50,329.02x = 1,414,841,831.42
  5. Step 5: Solve for x
    x = 1,414,841,831.42/50,329.02
  6. Step 6: Final answer
    x = 28,111.85

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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.