Home / 30,476.60-42,060.88-17,556.32

Finding the Fourth Proportional to 30,476.60, 42,060.88 and 17,556.32

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Solution

The fourth proportional to 30,476.60, 42,060.88 and 17,556.32 is: 24,229.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,476.60 : 42,060.88 = 17,556.32 : x
  2. Step 2: Convert to fraction form
    30,476.60/42,060.88 = 17,556.32/x
  3. Step 3: Cross multiply
    30,476.60x = 42,060.88 × 17,556.32
  4. Step 4: Simplify right side
    30,476.60x = 738,434,268.76
  5. Step 5: Solve for x
    x = 738,434,268.76/30,476.60
  6. Step 6: Final answer
    x = 24,229.55

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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.