Home / 35,579.20-53,368.80-19,832.80

Finding the Fourth Proportional to 35,579.20, 53,368.80 and 19,832.80

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Solution

The fourth proportional to 35,579.20, 53,368.80 and 19,832.80 is: 29,749.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,579.20 : 53,368.80 = 19,832.80 : x
  2. Step 2: Convert to fraction form
    35,579.20/53,368.80 = 19,832.80/x
  3. Step 3: Cross multiply
    35,579.20x = 53,368.80 × 19,832.80
  4. Step 4: Simplify right side
    35,579.20x = 1,058,452,736.64
  5. Step 5: Solve for x
    x = 1,058,452,736.64/35,579.20
  6. Step 6: Final answer
    x = 29,749.20

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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.