Home / 70,621.62-97,474.80-40,424.44

Finding the Fourth Proportional to 70,621.62, 97,474.80 and 40,424.44

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Solution

The fourth proportional to 70,621.62, 97,474.80 and 40,424.44 is: 55,795.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,621.62 : 97,474.80 = 40,424.44 : x
  2. Step 2: Convert to fraction form
    70,621.62/97,474.80 = 40,424.44/x
  3. Step 3: Cross multiply
    70,621.62x = 97,474.80 × 40,424.44
  4. Step 4: Simplify right side
    70,621.62x = 3,940,364,204.11
  5. Step 5: Solve for x
    x = 3,940,364,204.11/70,621.62
  6. Step 6: Final answer
    x = 55,795.44

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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.