Home / 45,528.88-68,303.47-13,943.38

Finding the Fourth Proportional to 45,528.88, 68,303.47 and 13,943.38

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Solution

The fourth proportional to 45,528.88, 68,303.47 and 13,943.38 is: 20,918.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,528.88 : 68,303.47 = 13,943.38 : x
  2. Step 2: Convert to fraction form
    45,528.88/68,303.47 = 13,943.38/x
  3. Step 3: Cross multiply
    45,528.88x = 68,303.47 × 13,943.38
  4. Step 4: Simplify right side
    45,528.88x = 952,381,237.53
  5. Step 5: Solve for x
    x = 952,381,237.53/45,528.88
  6. Step 6: Final answer
    x = 20,918.18

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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.