Home / 45,428.74-68,146.57-13,841.50

Finding the Fourth Proportional to 45,428.74, 68,146.57 and 13,841.50

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Solution

The fourth proportional to 45,428.74, 68,146.57 and 13,841.50 is: 20,763.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,428.74 : 68,146.57 = 13,841.50 : x
  2. Step 2: Convert to fraction form
    45,428.74/68,146.57 = 13,841.50/x
  3. Step 3: Cross multiply
    45,428.74x = 68,146.57 × 13,841.50
  4. Step 4: Simplify right side
    45,428.74x = 943,250,543.68
  5. Step 5: Solve for x
    x = 943,250,543.68/45,428.74
  6. Step 6: Final answer
    x = 20,763.30

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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.