Home / 50,129.04-69,173.48-28,904.21

Finding the Fourth Proportional to 50,129.04, 69,173.48 and 28,904.21

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Solution

The fourth proportional to 50,129.04, 69,173.48 and 28,904.21 is: 39,885.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,129.04 : 69,173.48 = 28,904.21 : x
  2. Step 2: Convert to fraction form
    50,129.04/69,173.48 = 28,904.21/x
  3. Step 3: Cross multiply
    50,129.04x = 69,173.48 × 28,904.21
  4. Step 4: Simplify right side
    50,129.04x = 1,999,404,301.96
  5. Step 5: Solve for x
    x = 1,999,404,301.96/50,129.04
  6. Step 6: Final answer
    x = 39,885.15

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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.