Home / 50,001.12-69,004.44-28,779.84

Finding the Fourth Proportional to 50,001.12, 69,004.44 and 28,779.84

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Solution

The fourth proportional to 50,001.12, 69,004.44 and 28,779.84 is: 39,717.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,001.12 : 69,004.44 = 28,779.84 : x
  2. Step 2: Convert to fraction form
    50,001.12/69,004.44 = 28,779.84/x
  3. Step 3: Cross multiply
    50,001.12x = 69,004.44 × 28,779.84
  4. Step 4: Simplify right side
    50,001.12x = 1,985,936,742.49
  5. Step 5: Solve for x
    x = 1,985,936,742.49/50,001.12
  6. Step 6: Final answer
    x = 39,717.85

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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.