Home / 45,515.90-68,282.06-13,925.37

Finding the Fourth Proportional to 45,515.90, 68,282.06 and 13,925.37

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Solution

The fourth proportional to 45,515.90, 68,282.06 and 13,925.37 is: 20,890.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,515.90 : 68,282.06 = 13,925.37 : x
  2. Step 2: Convert to fraction form
    45,515.90/68,282.06 = 13,925.37/x
  3. Step 3: Cross multiply
    45,515.90x = 68,282.06 × 13,925.37
  4. Step 4: Simplify right side
    45,515.90x = 950,852,880.24
  5. Step 5: Solve for x
    x = 950,852,880.24/45,515.90
  6. Step 6: Final answer
    x = 20,890.57

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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.