Home / 38,448.42-53,055.45-21,451.38

Finding the Fourth Proportional to 38,448.42, 53,055.45 and 21,451.38

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Solution

The fourth proportional to 38,448.42, 53,055.45 and 21,451.38 is: 29,601.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,448.42 : 53,055.45 = 21,451.38 : x
  2. Step 2: Convert to fraction form
    38,448.42/53,055.45 = 21,451.38/x
  3. Step 3: Cross multiply
    38,448.42x = 53,055.45 × 21,451.38
  4. Step 4: Simplify right side
    38,448.42x = 1,138,112,619.02
  5. Step 5: Solve for x
    x = 1,138,112,619.02/38,448.42
  6. Step 6: Final answer
    x = 29,601.02

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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.