Home / 39,382.02-54,347.63-21,476.97

Finding the Fourth Proportional to 39,382.02, 54,347.63 and 21,476.97

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Solution

The fourth proportional to 39,382.02, 54,347.63 and 21,476.97 is: 29,638.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,382.02 : 54,347.63 = 21,476.97 : x
  2. Step 2: Convert to fraction form
    39,382.02/54,347.63 = 21,476.97/x
  3. Step 3: Cross multiply
    39,382.02x = 54,347.63 × 21,476.97
  4. Step 4: Simplify right side
    39,382.02x = 1,167,222,311.70
  5. Step 5: Solve for x
    x = 1,167,222,311.70/39,382.02
  6. Step 6: Final answer
    x = 29,638.46

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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.