Home / 45,387.84-68,081.72-14,225.52

Finding the Fourth Proportional to 45,387.84, 68,081.72 and 14,225.52

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Solution

The fourth proportional to 45,387.84, 68,081.72 and 14,225.52 is: 21,338.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,387.84 : 68,081.72 = 14,225.52 : x
  2. Step 2: Convert to fraction form
    45,387.84/68,081.72 = 14,225.52/x
  3. Step 3: Cross multiply
    45,387.84x = 68,081.72 × 14,225.52
  4. Step 4: Simplify right side
    45,387.84x = 968,497,869.49
  5. Step 5: Solve for x
    x = 968,497,869.49/45,387.84
  6. Step 6: Final answer
    x = 21,338.27

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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.