Home / 45,488.64-68,209.20-14,315.52

Finding the Fourth Proportional to 45,488.64, 68,209.20 and 14,315.52

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Solution

The fourth proportional to 45,488.64, 68,209.20 and 14,315.52 is: 21,465.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,488.64 : 68,209.20 = 14,315.52 : x
  2. Step 2: Convert to fraction form
    45,488.64/68,209.20 = 14,315.52/x
  3. Step 3: Cross multiply
    45,488.64x = 68,209.20 × 14,315.52
  4. Step 4: Simplify right side
    45,488.64x = 976,450,166.78
  5. Step 5: Solve for x
    x = 976,450,166.78/45,488.64
  6. Step 6: Final answer
    x = 21,465.80

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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.