Home / 42,813.36-64,213.56-14,729.04

Finding the Fourth Proportional to 42,813.36, 64,213.56 and 14,729.04

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Solution

The fourth proportional to 42,813.36, 64,213.56 and 14,729.04 is: 22,091.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,813.36 : 64,213.56 = 14,729.04 : x
  2. Step 2: Convert to fraction form
    42,813.36/64,213.56 = 14,729.04/x
  3. Step 3: Cross multiply
    42,813.36x = 64,213.56 × 14,729.04
  4. Step 4: Simplify right side
    42,813.36x = 945,804,093.78
  5. Step 5: Solve for x
    x = 945,804,093.78/42,813.36
  6. Step 6: Final answer
    x = 22,091.33

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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.