Home / 45,904-63,358.32-28,013.80

Finding the Fourth Proportional to 45,904, 63,358.32 and 28,013.80

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Solution

The fourth proportional to 45,904, 63,358.32 and 28,013.80 is: 38,665.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,904 : 63,358.32 = 28,013.80 : x
  2. Step 2: Convert to fraction form
    45,904/63,358.32 = 28,013.80/x
  3. Step 3: Cross multiply
    45,904x = 63,358.32 × 28,013.80
  4. Step 4: Simplify right side
    45,904x = 1,774,907,304.82
  5. Step 5: Solve for x
    x = 1,774,907,304.82/45,904
  6. Step 6: Final answer
    x = 38,665.63

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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.