Home / 43,345.41-65,030.88-13,762.59

Finding the Fourth Proportional to 43,345.41, 65,030.88 and 13,762.59

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Solution

The fourth proportional to 43,345.41, 65,030.88 and 13,762.59 is: 20,647.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,345.41 : 65,030.88 = 13,762.59 : x
  2. Step 2: Convert to fraction form
    43,345.41/65,030.88 = 13,762.59/x
  3. Step 3: Cross multiply
    43,345.41x = 65,030.88 × 13,762.59
  4. Step 4: Simplify right side
    43,345.41x = 894,993,338.78
  5. Step 5: Solve for x
    x = 894,993,338.78/43,345.41
  6. Step 6: Final answer
    x = 20,647.94

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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.