Home / 42,676.32-64,006.74-11,504.28

Finding the Fourth Proportional to 42,676.32, 64,006.74 and 11,504.28

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Solution

The fourth proportional to 42,676.32, 64,006.74 and 11,504.28 is: 17,254.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,676.32 : 64,006.74 = 11,504.28 : x
  2. Step 2: Convert to fraction form
    42,676.32/64,006.74 = 11,504.28/x
  3. Step 3: Cross multiply
    42,676.32x = 64,006.74 × 11,504.28
  4. Step 4: Simplify right side
    42,676.32x = 736,351,458.85
  5. Step 5: Solve for x
    x = 736,351,458.85/42,676.32
  6. Step 6: Final answer
    x = 17,254.33

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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.