Home / 50,725.90-76,088.76-19,539.28

Finding the Fourth Proportional to 50,725.90, 76,088.76 and 19,539.28

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Solution

The fourth proportional to 50,725.90, 76,088.76 and 19,539.28 is: 29,308.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,725.90 : 76,088.76 = 19,539.28 : x
  2. Step 2: Convert to fraction form
    50,725.90/76,088.76 = 19,539.28/x
  3. Step 3: Cross multiply
    50,725.90x = 76,088.76 × 19,539.28
  4. Step 4: Simplify right side
    50,725.90x = 1,486,719,586.49
  5. Step 5: Solve for x
    x = 1,486,719,586.49/50,725.90
  6. Step 6: Final answer
    x = 29,308.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.