Home / 38,180.25-52,688.66-21,187.08

Finding the Fourth Proportional to 38,180.25, 52,688.66 and 21,187.08

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Solution

The fourth proportional to 38,180.25, 52,688.66 and 21,187.08 is: 29,238.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,180.25 : 52,688.66 = 21,187.08 : x
  2. Step 2: Convert to fraction form
    38,180.25/52,688.66 = 21,187.08/x
  3. Step 3: Cross multiply
    38,180.25x = 52,688.66 × 21,187.08
  4. Step 4: Simplify right side
    38,180.25x = 1,116,318,907.48
  5. Step 5: Solve for x
    x = 1,116,318,907.48/38,180.25
  6. Step 6: Final answer
    x = 29,238.12

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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.