Home / 35,421.10-48,879.32-19,505.21

Finding the Fourth Proportional to 35,421.10, 48,879.32 and 19,505.21

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Solution

The fourth proportional to 35,421.10, 48,879.32 and 19,505.21 is: 26,916.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,421.10 : 48,879.32 = 19,505.21 : x
  2. Step 2: Convert to fraction form
    35,421.10/48,879.32 = 19,505.21/x
  3. Step 3: Cross multiply
    35,421.10x = 48,879.32 × 19,505.21
  4. Step 4: Simplify right side
    35,421.10x = 953,401,059.33
  5. Step 5: Solve for x
    x = 953,401,059.33/35,421.10
  6. Step 6: Final answer
    x = 26,916.19

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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.