Home / 42,863.03-64,297.63-14,782.69

Finding the Fourth Proportional to 42,863.03, 64,297.63 and 14,782.69

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Solution

The fourth proportional to 42,863.03, 64,297.63 and 14,782.69 is: 22,175.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,863.03 : 64,297.63 = 14,782.69 : x
  2. Step 2: Convert to fraction form
    42,863.03/64,297.63 = 14,782.69/x
  3. Step 3: Cross multiply
    42,863.03x = 64,297.63 × 14,782.69
  4. Step 4: Simplify right side
    42,863.03x = 950,491,669.20
  5. Step 5: Solve for x
    x = 950,491,669.20/42,863.03
  6. Step 6: Final answer
    x = 22,175.09

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.