Home / 50,780.06-70,075.62-28,118.56

Finding the Fourth Proportional to 50,780.06, 70,075.62 and 28,118.56

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Solution

The fourth proportional to 50,780.06, 70,075.62 and 28,118.56 is: 38,803.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,780.06 : 70,075.62 = 28,118.56 : x
  2. Step 2: Convert to fraction form
    50,780.06/70,075.62 = 28,118.56/x
  3. Step 3: Cross multiply
    50,780.06x = 70,075.62 × 28,118.56
  4. Step 4: Simplify right side
    50,780.06x = 1,970,425,744.49
  5. Step 5: Solve for x
    x = 1,970,425,744.49/50,780.06
  6. Step 6: Final answer
    x = 38,803.14

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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.