Home / 30,579.48-42,200.28-17,150.04

Finding the Fourth Proportional to 30,579.48, 42,200.28 and 17,150.04

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Solution

The fourth proportional to 30,579.48, 42,200.28 and 17,150.04 is: 23,667.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579.48 : 42,200.28 = 17,150.04 : x
  2. Step 2: Convert to fraction form
    30,579.48/42,200.28 = 17,150.04/x
  3. Step 3: Cross multiply
    30,579.48x = 42,200.28 × 17,150.04
  4. Step 4: Simplify right side
    30,579.48x = 723,736,490.01
  5. Step 5: Solve for x
    x = 723,736,490.01/30,579.48
  6. Step 6: Final answer
    x = 23,667.39

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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.