Home / 29,399.58-40,570.74-15,970.53

Finding the Fourth Proportional to 29,399.58, 40,570.74 and 15,970.53

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Solution

The fourth proportional to 29,399.58, 40,570.74 and 15,970.53 is: 22,038.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,399.58 : 40,570.74 = 15,970.53 : x
  2. Step 2: Convert to fraction form
    29,399.58/40,570.74 = 15,970.53/x
  3. Step 3: Cross multiply
    29,399.58x = 40,570.74 × 15,970.53
  4. Step 4: Simplify right side
    29,399.58x = 647,936,372.43
  5. Step 5: Solve for x
    x = 647,936,372.43/29,399.58
  6. Step 6: Final answer
    x = 22,038.97

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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.