Home / 34,392.40-51,579.94-13,325.21

Finding the Fourth Proportional to 34,392.40, 51,579.94 and 13,325.21

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Solution

The fourth proportional to 34,392.40, 51,579.94 and 13,325.21 is: 19,984.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,392.40 : 51,579.94 = 13,325.21 : x
  2. Step 2: Convert to fraction form
    34,392.40/51,579.94 = 13,325.21/x
  3. Step 3: Cross multiply
    34,392.40x = 51,579.94 × 13,325.21
  4. Step 4: Simplify right side
    34,392.40x = 687,313,459.48
  5. Step 5: Solve for x
    x = 687,313,459.48/34,392.40
  6. Step 6: Final answer
    x = 19,984.46

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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.