Home / 39,596.45-54,643.43-21,693.13

Finding the Fourth Proportional to 39,596.45, 54,643.43 and 21,693.13

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Solution

The fourth proportional to 39,596.45, 54,643.43 and 21,693.13 is: 29,936.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,596.45 : 54,643.43 = 21,693.13 : x
  2. Step 2: Convert to fraction form
    39,596.45/54,643.43 = 21,693.13/x
  3. Step 3: Cross multiply
    39,596.45x = 54,643.43 × 21,693.13
  4. Step 4: Simplify right side
    39,596.45x = 1,185,386,948.26
  5. Step 5: Solve for x
    x = 1,185,386,948.26/39,596.45
  6. Step 6: Final answer
    x = 29,936.70

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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.