Home / 50,921.98-70,272.23-28,261.24

Finding the Fourth Proportional to 50,921.98, 70,272.23 and 28,261.24

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Solution

The fourth proportional to 50,921.98, 70,272.23 and 28,261.24 is: 39,000.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,921.98 : 70,272.23 = 28,261.24 : x
  2. Step 2: Convert to fraction form
    50,921.98/70,272.23 = 28,261.24/x
  3. Step 3: Cross multiply
    50,921.98x = 70,272.23 × 28,261.24
  4. Step 4: Simplify right side
    50,921.98x = 1,985,980,357.37
  5. Step 5: Solve for x
    x = 1,985,980,357.37/50,921.98
  6. Step 6: Final answer
    x = 39,000.45

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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.