Home / 43,490.55-65,246.04-13,503.25

Finding the Fourth Proportional to 43,490.55, 65,246.04 and 13,503.25

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Solution

The fourth proportional to 43,490.55, 65,246.04 and 13,503.25 is: 20,258.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,490.55 : 65,246.04 = 13,503.25 : x
  2. Step 2: Convert to fraction form
    43,490.55/65,246.04 = 13,503.25/x
  3. Step 3: Cross multiply
    43,490.55x = 65,246.04 × 13,503.25
  4. Step 4: Simplify right side
    43,490.55x = 881,033,671.19
  5. Step 5: Solve for x
    x = 881,033,671.19/43,490.55
  6. Step 6: Final answer
    x = 20,258.05

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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.