Home / 34,328.43-51,459.71-10,939.59

Finding the Fourth Proportional to 34,328.43, 51,459.71 and 10,939.59

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Solution

The fourth proportional to 34,328.43, 51,459.71 and 10,939.59 is: 16,398.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,328.43 : 51,459.71 = 10,939.59 : x
  2. Step 2: Convert to fraction form
    34,328.43/51,459.71 = 10,939.59/x
  3. Step 3: Cross multiply
    34,328.43x = 51,459.71 × 10,939.59
  4. Step 4: Simplify right side
    34,328.43x = 562,948,074.22
  5. Step 5: Solve for x
    x = 562,948,074.22/34,328.43
  6. Step 6: Final answer
    x = 16,398.89

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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.