Home / 30,460.22-42,031.64-17,711.64

Finding the Fourth Proportional to 30,460.22, 42,031.64 and 17,711.64

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Solution

The fourth proportional to 30,460.22, 42,031.64 and 17,711.64 is: 24,440.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,460.22 : 42,031.64 = 17,711.64 : x
  2. Step 2: Convert to fraction form
    30,460.22/42,031.64 = 17,711.64/x
  3. Step 3: Cross multiply
    30,460.22x = 42,031.64 × 17,711.64
  4. Step 4: Simplify right side
    30,460.22x = 744,449,276.29
  5. Step 5: Solve for x
    x = 744,449,276.29/30,460.22
  6. Step 6: Final answer
    x = 24,440.05

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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.