Home / 48,426.11-72,627.62-20,346.69

Finding the Fourth Proportional to 48,426.11, 72,627.62 and 20,346.69

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Solution

The fourth proportional to 48,426.11, 72,627.62 and 20,346.69 is: 30,515.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,426.11 : 72,627.62 = 20,346.69 : x
  2. Step 2: Convert to fraction form
    48,426.11/72,627.62 = 20,346.69/x
  3. Step 3: Cross multiply
    48,426.11x = 72,627.62 × 20,346.69
  4. Step 4: Simplify right side
    48,426.11x = 1,477,731,567.84
  5. Step 5: Solve for x
    x = 1,477,731,567.84/48,426.11
  6. Step 6: Final answer
    x = 30,515.19

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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.