Home / 30,579.26-42,192.63-29,571.28

Finding the Fourth Proportional to 30,579.26, 42,192.63 and 29,571.28

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Solution

The fourth proportional to 30,579.26, 42,192.63 and 29,571.28 is: 40,801.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,579.26 : 42,192.63 = 29,571.28 : x
  2. Step 2: Convert to fraction form
    30,579.26/42,192.63 = 29,571.28/x
  3. Step 3: Cross multiply
    30,579.26x = 42,192.63 × 29,571.28
  4. Step 4: Simplify right side
    30,579.26x = 1,247,689,970.18
  5. Step 5: Solve for x
    x = 1,247,689,970.18/30,579.26
  6. Step 6: Final answer
    x = 40,801.84

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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.