Home / 45,839.41-63,289.32-28,638.08

Finding the Fourth Proportional to 45,839.41, 63,289.32 and 28,638.08

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Solution

The fourth proportional to 45,839.41, 63,289.32 and 28,638.08 is: 39,539.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,839.41 : 63,289.32 = 28,638.08 : x
  2. Step 2: Convert to fraction form
    45,839.41/63,289.32 = 28,638.08/x
  3. Step 3: Cross multiply
    45,839.41x = 63,289.32 × 28,638.08
  4. Step 4: Simplify right side
    45,839.41x = 1,812,484,767.53
  5. Step 5: Solve for x
    x = 1,812,484,767.53/45,839.41
  6. Step 6: Final answer
    x = 39,539.88

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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.