Home / 50,649.20-75,984.73-28,475.45

Finding the Fourth Proportional to 50,649.20, 75,984.73 and 28,475.45

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Solution

The fourth proportional to 50,649.20, 75,984.73 and 28,475.45 is: 42,719.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,649.20 : 75,984.73 = 28,475.45 : x
  2. Step 2: Convert to fraction form
    50,649.20/75,984.73 = 28,475.45/x
  3. Step 3: Cross multiply
    50,649.20x = 75,984.73 × 28,475.45
  4. Step 4: Simplify right side
    50,649.20x = 2,163,699,373.88
  5. Step 5: Solve for x
    x = 2,163,699,373.88/50,649.20
  6. Step 6: Final answer
    x = 42,719.32

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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.