Home / 70,621.39-97,466.13-40,813.39

Finding the Fourth Proportional to 70,621.39, 97,466.13 and 40,813.39

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Solution

The fourth proportional to 70,621.39, 97,466.13 and 40,813.39 is: 56,327.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,621.39 : 97,466.13 = 40,813.39 : x
  2. Step 2: Convert to fraction form
    70,621.39/97,466.13 = 40,813.39/x
  3. Step 3: Cross multiply
    70,621.39x = 97,466.13 × 40,813.39
  4. Step 4: Simplify right side
    70,621.39x = 3,977,923,175.48
  5. Step 5: Solve for x
    x = 3,977,923,175.48/70,621.39
  6. Step 6: Final answer
    x = 56,327.46

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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.