Home / 38,050.92-52,515.54-21,285

Finding the Fourth Proportional to 38,050.92, 52,515.54 and 21,285

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Solution

The fourth proportional to 38,050.92, 52,515.54 and 21,285 is: 29,376.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,050.92 : 52,515.54 = 21,285 : x
  2. Step 2: Convert to fraction form
    38,050.92/52,515.54 = 21,285/x
  3. Step 3: Cross multiply
    38,050.92x = 52,515.54 × 21,285
  4. Step 4: Simplify right side
    38,050.92x = 1,117,793,268.90
  5. Step 5: Solve for x
    x = 1,117,793,268.90/38,050.92
  6. Step 6: Final answer
    x = 29,376.25

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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.