Home / 103,979.56-155,953.02-33,858.28

Finding the Fourth Proportional to 103,979.56, 155,953.02 and 33,858.28

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Solution

The fourth proportional to 103,979.56, 155,953.02 and 33,858.28 is: 50,782.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    103,979.56 : 155,953.02 = 33,858.28 : x
  2. Step 2: Convert to fraction form
    103,979.56/155,953.02 = 33,858.28/x
  3. Step 3: Cross multiply
    103,979.56x = 155,953.02 × 33,858.28
  4. Step 4: Simplify right side
    103,979.56x = 5,280,301,018.01
  5. Step 5: Solve for x
    x = 5,280,301,018.01/103,979.56
  6. Step 6: Final answer
    x = 50,782.11

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.