Home / 36,554.69-50,445.03-20,639.81

Finding the Fourth Proportional to 36,554.69, 50,445.03 and 20,639.81

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Solution

The fourth proportional to 36,554.69, 50,445.03 and 20,639.81 is: 28,482.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    36,554.69 : 50,445.03 = 20,639.81 : x
  2. Step 2: Convert to fraction form
    36,554.69/50,445.03 = 20,639.81/x
  3. Step 3: Cross multiply
    36,554.69x = 50,445.03 × 20,639.81
  4. Step 4: Simplify right side
    36,554.69x = 1,041,175,834.64
  5. Step 5: Solve for x
    x = 1,041,175,834.64/36,554.69
  6. Step 6: Final answer
    x = 28,482.69

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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.