Home / 45,750.40-68,630.72-14,578.56

Finding the Fourth Proportional to 45,750.40, 68,630.72 and 14,578.56

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Solution

The fourth proportional to 45,750.40, 68,630.72 and 14,578.56 is: 21,869.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,750.40 : 68,630.72 = 14,578.56 : x
  2. Step 2: Convert to fraction form
    45,750.40/68,630.72 = 14,578.56/x
  3. Step 3: Cross multiply
    45,750.40x = 68,630.72 × 14,578.56
  4. Step 4: Simplify right side
    45,750.40x = 1,000,537,069.36
  5. Step 5: Solve for x
    x = 1,000,537,069.36/45,750.40
  6. Step 6: Final answer
    x = 21,869.47

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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.