Home / 39,915.69-55,109.33-24,828.88

Finding the Fourth Proportional to 39,915.69, 55,109.33 and 24,828.88

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Solution

The fourth proportional to 39,915.69, 55,109.33 and 24,828.88 is: 34,279.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,915.69 : 55,109.33 = 24,828.88 : x
  2. Step 2: Convert to fraction form
    39,915.69/55,109.33 = 24,828.88/x
  3. Step 3: Cross multiply
    39,915.69x = 55,109.33 × 24,828.88
  4. Step 4: Simplify right side
    39,915.69x = 1,368,302,941.45
  5. Step 5: Solve for x
    x = 1,368,302,941.45/39,915.69
  6. Step 6: Final answer
    x = 34,279.83

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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.