Home / 29,297.28-43,938.96-12,648.21

Finding the Fourth Proportional to 29,297.28, 43,938.96 and 12,648.21

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Solution

The fourth proportional to 29,297.28, 43,938.96 and 12,648.21 is: 18,969.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,297.28 : 43,938.96 = 12,648.21 : x
  2. Step 2: Convert to fraction form
    29,297.28/43,938.96 = 12,648.21/x
  3. Step 3: Cross multiply
    29,297.28x = 43,938.96 × 12,648.21
  4. Step 4: Simplify right side
    29,297.28x = 555,748,981.06
  5. Step 5: Solve for x
    x = 555,748,981.06/29,297.28
  6. Step 6: Final answer
    x = 18,969.30

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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.