Home / 35,420.16-48,879.96-19,504.59

Finding the Fourth Proportional to 35,420.16, 48,879.96 and 19,504.59

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Solution

The fourth proportional to 35,420.16, 48,879.96 and 19,504.59 is: 26,916.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,420.16 : 48,879.96 = 19,504.59 : x
  2. Step 2: Convert to fraction form
    35,420.16/48,879.96 = 19,504.59/x
  3. Step 3: Cross multiply
    35,420.16x = 48,879.96 × 19,504.59
  4. Step 4: Simplify right side
    35,420.16x = 953,383,579.02
  5. Step 5: Solve for x
    x = 953,383,579.02/35,420.16
  6. Step 6: Final answer
    x = 26,916.41

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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.