Home / 39,269.41-54,192.44-21,364.70

Finding the Fourth Proportional to 39,269.41, 54,192.44 and 21,364.70

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Solution

The fourth proportional to 39,269.41, 54,192.44 and 21,364.70 is: 29,483.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    39,269.41 : 54,192.44 = 21,364.70 : x
  2. Step 2: Convert to fraction form
    39,269.41/54,192.44 = 21,364.70/x
  3. Step 3: Cross multiply
    39,269.41x = 54,192.44 × 21,364.70
  4. Step 4: Simplify right side
    39,269.41x = 1,157,805,005.32
  5. Step 5: Solve for x
    x = 1,157,805,005.32/39,269.41
  6. Step 6: Final answer
    x = 29,483.64

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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.