Home / 62,920.05-86,841.59-40,268.67

Finding the Fourth Proportional to 62,920.05, 86,841.59 and 40,268.67

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Solution

The fourth proportional to 62,920.05, 86,841.59 and 40,268.67 is: 55,578.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    62,920.05 : 86,841.59 = 40,268.67 : x
  2. Step 2: Convert to fraction form
    62,920.05/86,841.59 = 40,268.67/x
  3. Step 3: Cross multiply
    62,920.05x = 86,841.59 × 40,268.67
  4. Step 4: Simplify right side
    62,920.05x = 3,496,995,329.99
  5. Step 5: Solve for x
    x = 3,496,995,329.99/62,920.05
  6. Step 6: Final answer
    x = 55,578.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.