Home / 39,599.42-54,647.19-21,695.06

Finding the Fourth Proportional to 39,599.42, 54,647.19 and 21,695.06

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Solution

The fourth proportional to 39,599.42, 54,647.19 and 21,695.06 is: 29,939.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,599.42 : 54,647.19 = 21,695.06 : x
  2. Step 2: Convert to fraction form
    39,599.42/54,647.19 = 21,695.06/x
  3. Step 3: Cross multiply
    39,599.42x = 54,647.19 × 21,695.06
  4. Step 4: Simplify right side
    39,599.42x = 1,185,573,792.65
  5. Step 5: Solve for x
    x = 1,185,573,792.65/39,599.42
  6. Step 6: Final answer
    x = 29,939.17

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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.