Home / 50,720.13-69,997.02-28,364.13

Finding the Fourth Proportional to 50,720.13, 69,997.02 and 28,364.13

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Solution

The fourth proportional to 50,720.13, 69,997.02 and 28,364.13 is: 39,144.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,720.13 : 69,997.02 = 28,364.13 : x
  2. Step 2: Convert to fraction form
    50,720.13/69,997.02 = 28,364.13/x
  3. Step 3: Cross multiply
    50,720.13x = 69,997.02 × 28,364.13
  4. Step 4: Simplify right side
    50,720.13x = 1,985,404,574.89
  5. Step 5: Solve for x
    x = 1,985,404,574.89/50,720.13
  6. Step 6: Final answer
    x = 39,144.31

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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.