Home / 35,745.92-49,329.59-20,639.19

Finding the Fourth Proportional to 35,745.92, 49,329.59 and 20,639.19

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Solution

The fourth proportional to 35,745.92, 49,329.59 and 20,639.19 is: 28,482.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,745.92 : 49,329.59 = 20,639.19 : x
  2. Step 2: Convert to fraction form
    35,745.92/49,329.59 = 20,639.19/x
  3. Step 3: Cross multiply
    35,745.92x = 49,329.59 × 20,639.19
  4. Step 4: Simplify right side
    35,745.92x = 1,018,122,677.44
  5. Step 5: Solve for x
    x = 1,018,122,677.44/35,745.92
  6. Step 6: Final answer
    x = 28,482.21

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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.