Home / 38,725.42-53,437.80-21,727.37

Finding the Fourth Proportional to 38,725.42, 53,437.80 and 21,727.37

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Solution

The fourth proportional to 38,725.42, 53,437.80 and 21,727.37 is: 29,981.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,725.42 : 53,437.80 = 21,727.37 : x
  2. Step 2: Convert to fraction form
    38,725.42/53,437.80 = 21,727.37/x
  3. Step 3: Cross multiply
    38,725.42x = 53,437.80 × 21,727.37
  4. Step 4: Simplify right side
    38,725.42x = 1,161,062,852.59
  5. Step 5: Solve for x
    x = 1,161,062,852.59/38,725.42
  6. Step 6: Final answer
    x = 29,981.93

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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.