Home / 29,148.72-40,215.24-16,570.32

Finding the Fourth Proportional to 29,148.72, 40,215.24 and 16,570.32

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Solution

The fourth proportional to 29,148.72, 40,215.24 and 16,570.32 is: 22,861.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,148.72 : 40,215.24 = 16,570.32 : x
  2. Step 2: Convert to fraction form
    29,148.72/40,215.24 = 16,570.32/x
  3. Step 3: Cross multiply
    29,148.72x = 40,215.24 × 16,570.32
  4. Step 4: Simplify right side
    29,148.72x = 666,379,395.68
  5. Step 5: Solve for x
    x = 666,379,395.68/29,148.72
  6. Step 6: Final answer
    x = 22,861.36

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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.