Home / 50,761.07-70,050.88-28,102.15

Finding the Fourth Proportional to 50,761.07, 70,050.88 and 28,102.15

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Solution

The fourth proportional to 50,761.07, 70,050.88 and 28,102.15 is: 38,781.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,761.07 : 70,050.88 = 28,102.15 : x
  2. Step 2: Convert to fraction form
    50,761.07/70,050.88 = 28,102.15/x
  3. Step 3: Cross multiply
    50,761.07x = 70,050.88 × 28,102.15
  4. Step 4: Simplify right side
    50,761.07x = 1,968,580,460.08
  5. Step 5: Solve for x
    x = 1,968,580,460.08/50,761.07
  6. Step 6: Final answer
    x = 38,781.30

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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.