Home / 50,718.34-69,990.64-28,055.53

Finding the Fourth Proportional to 50,718.34, 69,990.64 and 28,055.53

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Solution

The fourth proportional to 50,718.34, 69,990.64 and 28,055.53 is: 38,716.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,718.34 : 69,990.64 = 28,055.53 : x
  2. Step 2: Convert to fraction form
    50,718.34/69,990.64 = 28,055.53/x
  3. Step 3: Cross multiply
    50,718.34x = 69,990.64 × 28,055.53
  4. Step 4: Simplify right side
    50,718.34x = 1,963,624,500.24
  5. Step 5: Solve for x
    x = 1,963,624,500.24/50,718.34
  6. Step 6: Final answer
    x = 38,716.26

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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.