Home / 30,634.32-45,918.72-15,839.28

Finding the Fourth Proportional to 30,634.32, 45,918.72 and 15,839.28

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Solution

The fourth proportional to 30,634.32, 45,918.72 and 15,839.28 is: 23,741.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,634.32 : 45,918.72 = 15,839.28 : x
  2. Step 2: Convert to fraction form
    30,634.32/45,918.72 = 15,839.28/x
  3. Step 3: Cross multiply
    30,634.32x = 45,918.72 × 15,839.28
  4. Step 4: Simplify right side
    30,634.32x = 727,319,463.32
  5. Step 5: Solve for x
    x = 727,319,463.32/30,634.32
  6. Step 6: Final answer
    x = 23,741.98

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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.