Home / 31,023.49-46,535.23-21,681.75

Finding the Fourth Proportional to 31,023.49, 46,535.23 and 21,681.75

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Solution

The fourth proportional to 31,023.49, 46,535.23 and 21,681.75 is: 32,522.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    31,023.49 : 46,535.23 = 21,681.75 : x
  2. Step 2: Convert to fraction form
    31,023.49/46,535.23 = 21,681.75/x
  3. Step 3: Cross multiply
    31,023.49x = 46,535.23 × 21,681.75
  4. Step 4: Simplify right side
    31,023.49x = 1,008,964,990.38
  5. Step 5: Solve for x
    x = 1,008,964,990.38/31,023.49
  6. Step 6: Final answer
    x = 32,522.62

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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.