Home / 50,130.81-69,180.52-29,988.54

Finding the Fourth Proportional to 50,130.81, 69,180.52 and 29,988.54

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Solution

The fourth proportional to 50,130.81, 69,180.52 and 29,988.54 is: 41,384.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,130.81 : 69,180.52 = 29,988.54 : x
  2. Step 2: Convert to fraction form
    50,130.81/69,180.52 = 29,988.54/x
  3. Step 3: Cross multiply
    50,130.81x = 69,180.52 × 29,988.54
  4. Step 4: Simplify right side
    50,130.81x = 2,074,623,039.16
  5. Step 5: Solve for x
    x = 2,074,623,039.16/50,130.81
  6. Step 6: Final answer
    x = 41,384.19

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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.