Home / 70,630.24-97,442.10-40,399.42

Finding the Fourth Proportional to 70,630.24, 97,442.10 and 40,399.42

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Solution

The fourth proportional to 70,630.24, 97,442.10 and 40,399.42 is: 55,735.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,630.24 : 97,442.10 = 40,399.42 : x
  2. Step 2: Convert to fraction form
    70,630.24/97,442.10 = 40,399.42/x
  3. Step 3: Cross multiply
    70,630.24x = 97,442.10 × 40,399.42
  4. Step 4: Simplify right side
    70,630.24x = 3,936,604,323.58
  5. Step 5: Solve for x
    x = 3,936,604,323.58/70,630.24
  6. Step 6: Final answer
    x = 55,735.39

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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.