Home / 35,128.85-48,478.53-19,214.33

Finding the Fourth Proportional to 35,128.85, 48,478.53 and 19,214.33

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Solution

The fourth proportional to 35,128.85, 48,478.53 and 19,214.33 is: 26,516.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,128.85 : 48,478.53 = 19,214.33 : x
  2. Step 2: Convert to fraction form
    35,128.85/48,478.53 = 19,214.33/x
  3. Step 3: Cross multiply
    35,128.85x = 48,478.53 × 19,214.33
  4. Step 4: Simplify right side
    35,128.85x = 931,482,230.94
  5. Step 5: Solve for x
    x = 931,482,230.94/35,128.85
  6. Step 6: Final answer
    x = 26,516.16

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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.