Home / 45,929.72-63,378.11-25,788.81

Finding the Fourth Proportional to 45,929.72, 63,378.11 and 25,788.81

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Solution

The fourth proportional to 45,929.72, 63,378.11 and 25,788.81 is: 35,585.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,929.72 : 63,378.11 = 25,788.81 : x
  2. Step 2: Convert to fraction form
    45,929.72/63,378.11 = 25,788.81/x
  3. Step 3: Cross multiply
    45,929.72x = 63,378.11 × 25,788.81
  4. Step 4: Simplify right side
    45,929.72x = 1,634,446,036.95
  5. Step 5: Solve for x
    x = 1,634,446,036.95/45,929.72
  6. Step 6: Final answer
    x = 35,585.80

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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.