Home / 36,830.86-50,826.95-20,915.65

Finding the Fourth Proportional to 36,830.86, 50,826.95 and 20,915.65

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Solution

The fourth proportional to 36,830.86, 50,826.95 and 20,915.65 is: 28,863.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,830.86 : 50,826.95 = 20,915.65 : x
  2. Step 2: Convert to fraction form
    36,830.86/50,826.95 = 20,915.65/x
  3. Step 3: Cross multiply
    36,830.86x = 50,826.95 × 20,915.65
  4. Step 4: Simplify right side
    36,830.86x = 1,063,078,696.77
  5. Step 5: Solve for x
    x = 1,063,078,696.77/36,830.86
  6. Step 6: Final answer
    x = 28,863.80

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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.