Home / 43,624.20-65,420.10-15,533.40

Finding the Fourth Proportional to 43,624.20, 65,420.10 and 15,533.40

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Solution

The fourth proportional to 43,624.20, 65,420.10 and 15,533.40 is: 23,294.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,624.20 : 65,420.10 = 15,533.40 : x
  2. Step 2: Convert to fraction form
    43,624.20/65,420.10 = 15,533.40/x
  3. Step 3: Cross multiply
    43,624.20x = 65,420.10 × 15,533.40
  4. Step 4: Simplify right side
    43,624.20x = 1,016,196,581.34
  5. Step 5: Solve for x
    x = 1,016,196,581.34/43,624.20
  6. Step 6: Final answer
    x = 23,294.33

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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.