Home / 50,224.16-75,329.55-12,780.90

Finding the Fourth Proportional to 50,224.16, 75,329.55 and 12,780.90

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Solution

The fourth proportional to 50,224.16, 75,329.55 and 12,780.90 is: 19,169.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,224.16 : 75,329.55 = 12,780.90 : x
  2. Step 2: Convert to fraction form
    50,224.16/75,329.55 = 12,780.90/x
  3. Step 3: Cross multiply
    50,224.16x = 75,329.55 × 12,780.90
  4. Step 4: Simplify right side
    50,224.16x = 962,779,445.60
  5. Step 5: Solve for x
    x = 962,779,445.60/50,224.16
  6. Step 6: Final answer
    x = 19,169.65

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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.