Home / 30,435.42-42,001.09-17,007.24

Finding the Fourth Proportional to 30,435.42, 42,001.09 and 17,007.24

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Solution

The fourth proportional to 30,435.42, 42,001.09 and 17,007.24 is: 23,470.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,435.42 : 42,001.09 = 17,007.24 : x
  2. Step 2: Convert to fraction form
    30,435.42/42,001.09 = 17,007.24/x
  3. Step 3: Cross multiply
    30,435.42x = 42,001.09 × 17,007.24
  4. Step 4: Simplify right side
    30,435.42x = 714,322,575.37
  5. Step 5: Solve for x
    x = 714,322,575.37/30,435.42
  6. Step 6: Final answer
    x = 23,470.11

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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.