Home / 38,421.73-53,009.90-23,101.39

Finding the Fourth Proportional to 38,421.73, 53,009.90 and 23,101.39

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Solution

The fourth proportional to 38,421.73, 53,009.90 and 23,101.39 is: 31,872.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,421.73 : 53,009.90 = 23,101.39 : x
  2. Step 2: Convert to fraction form
    38,421.73/53,009.90 = 23,101.39/x
  3. Step 3: Cross multiply
    38,421.73x = 53,009.90 × 23,101.39
  4. Step 4: Simplify right side
    38,421.73x = 1,224,602,212.36
  5. Step 5: Solve for x
    x = 1,224,602,212.36/38,421.73
  6. Step 6: Final answer
    x = 31,872.65

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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.