Home / 50,457.25-69,631.01-28,101.25

Finding the Fourth Proportional to 50,457.25, 69,631.01 and 28,101.25

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Solution

The fourth proportional to 50,457.25, 69,631.01 and 28,101.25 is: 38,779.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,457.25 : 69,631.01 = 28,101.25 : x
  2. Step 2: Convert to fraction form
    50,457.25/69,631.01 = 28,101.25/x
  3. Step 3: Cross multiply
    50,457.25x = 69,631.01 × 28,101.25
  4. Step 4: Simplify right side
    50,457.25x = 1,956,718,279.26
  5. Step 5: Solve for x
    x = 1,956,718,279.26/50,457.25
  6. Step 6: Final answer
    x = 38,779.73

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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.