Home / 50,763.96-70,052.76-28,102.20

Finding the Fourth Proportional to 50,763.96, 70,052.76 and 28,102.20

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Solution

The fourth proportional to 50,763.96, 70,052.76 and 28,102.20 is: 38,780.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,763.96 : 70,052.76 = 28,102.20 : x
  2. Step 2: Convert to fraction form
    50,763.96/70,052.76 = 28,102.20/x
  3. Step 3: Cross multiply
    50,763.96x = 70,052.76 × 28,102.20
  4. Step 4: Simplify right side
    50,763.96x = 1,968,636,672.07
  5. Step 5: Solve for x
    x = 1,968,636,672.07/50,763.96
  6. Step 6: Final answer
    x = 38,780.20

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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.