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Finding the Fourth Proportional to 43,646.40, 65,453.40 and 17,345.70

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Solution

The fourth proportional to 43,646.40, 65,453.40 and 17,345.70 is: 26,012.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,646.40 : 65,453.40 = 17,345.70 : x
  2. Step 2: Convert to fraction form
    43,646.40/65,453.40 = 17,345.70/x
  3. Step 3: Cross multiply
    43,646.40x = 65,453.40 × 17,345.70
  4. Step 4: Simplify right side
    43,646.40x = 1,135,335,040.38
  5. Step 5: Solve for x
    x = 1,135,335,040.38/43,646.40
  6. Step 6: Final answer
    x = 26,012.11

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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.