Home / 30,581.28-45,867.60-9,802.08

Finding the Fourth Proportional to 30,581.28, 45,867.60 and 9,802.08

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Solution

The fourth proportional to 30,581.28, 45,867.60 and 9,802.08 is: 14,701.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    30,581.28 : 45,867.60 = 9,802.08 : x
  2. Step 2: Convert to fraction form
    30,581.28/45,867.60 = 9,802.08/x
  3. Step 3: Cross multiply
    30,581.28x = 45,867.60 × 9,802.08
  4. Step 4: Simplify right side
    30,581.28x = 449,597,884.61
  5. Step 5: Solve for x
    x = 449,597,884.61/30,581.28
  6. Step 6: Final answer
    x = 14,701.74

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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.