Home / 42,863.83-64,272.26-13,273.45

Finding the Fourth Proportional to 42,863.83, 64,272.26 and 13,273.45

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Solution

The fourth proportional to 42,863.83, 64,272.26 and 13,273.45 is: 19,902.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,863.83 : 64,272.26 = 13,273.45 : x
  2. Step 2: Convert to fraction form
    42,863.83/64,272.26 = 13,273.45/x
  3. Step 3: Cross multiply
    42,863.83x = 64,272.26 × 13,273.45
  4. Step 4: Simplify right side
    42,863.83x = 853,114,563.13
  5. Step 5: Solve for x
    x = 853,114,563.13/42,863.83
  6. Step 6: Final answer
    x = 19,902.90

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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.