Home / 50,798.74-70,102.18-28,137.72

Finding the Fourth Proportional to 50,798.74, 70,102.18 and 28,137.72

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Solution

The fourth proportional to 50,798.74, 70,102.18 and 28,137.72 is: 38,830.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,798.74 : 70,102.18 = 28,137.72 : x
  2. Step 2: Convert to fraction form
    50,798.74/70,102.18 = 28,137.72/x
  3. Step 3: Cross multiply
    50,798.74x = 70,102.18 × 28,137.72
  4. Step 4: Simplify right side
    50,798.74x = 1,972,515,512.23
  5. Step 5: Solve for x
    x = 1,972,515,512.23/50,798.74
  6. Step 6: Final answer
    x = 38,830.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.