Home / 38,131.54-52,621.49-21,364.66

Finding the Fourth Proportional to 38,131.54, 52,621.49 and 21,364.66

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Solution

The fourth proportional to 38,131.54, 52,621.49 and 21,364.66 is: 29,483.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,131.54 : 52,621.49 = 21,364.66 : x
  2. Step 2: Convert to fraction form
    38,131.54/52,621.49 = 21,364.66/x
  3. Step 3: Cross multiply
    38,131.54x = 52,621.49 × 21,364.66
  4. Step 4: Simplify right side
    38,131.54x = 1,124,240,242.54
  5. Step 5: Solve for x
    x = 1,124,240,242.54/38,131.54
  6. Step 6: Final answer
    x = 29,483.21

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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.