Home / 35,445.32-53,174.97-10,145.07

Finding the Fourth Proportional to 35,445.32, 53,174.97 and 10,145.07

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Solution

The fourth proportional to 35,445.32, 53,174.97 and 10,145.07 is: 15,219.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,445.32 : 53,174.97 = 10,145.07 : x
  2. Step 2: Convert to fraction form
    35,445.32/53,174.97 = 10,145.07/x
  3. Step 3: Cross multiply
    35,445.32x = 53,174.97 × 10,145.07
  4. Step 4: Simplify right side
    35,445.32x = 539,463,792.90
  5. Step 5: Solve for x
    x = 539,463,792.90/35,445.32
  6. Step 6: Final answer
    x = 15,219.61

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.