Home / 30,440.26-42,007.48-17,011.52

Finding the Fourth Proportional to 30,440.26, 42,007.48 and 17,011.52

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Solution

The fourth proportional to 30,440.26, 42,007.48 and 17,011.52 is: 23,475.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,440.26 : 42,007.48 = 17,011.52 : x
  2. Step 2: Convert to fraction form
    30,440.26/42,007.48 = 17,011.52/x
  3. Step 3: Cross multiply
    30,440.26x = 42,007.48 × 17,011.52
  4. Step 4: Simplify right side
    30,440.26x = 714,610,991.13
  5. Step 5: Solve for x
    x = 714,610,991.13/30,440.26
  6. Step 6: Final answer
    x = 23,475.85

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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.