Home / 43,527.81-65,291.73-11,938.20

Finding the Fourth Proportional to 43,527.81, 65,291.73 and 11,938.20

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Solution

The fourth proportional to 43,527.81, 65,291.73 and 11,938.20 is: 17,907.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,527.81 : 65,291.73 = 11,938.20 : x
  2. Step 2: Convert to fraction form
    43,527.81/65,291.73 = 11,938.20/x
  3. Step 3: Cross multiply
    43,527.81x = 65,291.73 × 11,938.20
  4. Step 4: Simplify right side
    43,527.81x = 779,465,731.09
  5. Step 5: Solve for x
    x = 779,465,731.09/43,527.81
  6. Step 6: Final answer
    x = 17,907.30

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1.5x scale

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.