Home / 31,464.14-43,420.66-18,036.18

Finding the Fourth Proportional to 31,464.14, 43,420.66 and 18,036.18

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Solution

The fourth proportional to 31,464.14, 43,420.66 and 18,036.18 is: 24,890.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,464.14 : 43,420.66 = 18,036.18 : x
  2. Step 2: Convert to fraction form
    31,464.14/43,420.66 = 18,036.18/x
  3. Step 3: Cross multiply
    31,464.14x = 43,420.66 × 18,036.18
  4. Step 4: Simplify right side
    31,464.14x = 783,142,839.48
  5. Step 5: Solve for x
    x = 783,142,839.48/31,464.14
  6. Step 6: Final answer
    x = 24,890.01

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.