Home / 50,748.48-70,031.88-28,086.17

Finding the Fourth Proportional to 50,748.48, 70,031.88 and 28,086.17

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Solution

The fourth proportional to 50,748.48, 70,031.88 and 28,086.17 is: 38,758.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,748.48 : 70,031.88 = 28,086.17 : x
  2. Step 2: Convert to fraction form
    50,748.48/70,031.88 = 28,086.17/x
  3. Step 3: Cross multiply
    50,748.48x = 70,031.88 × 28,086.17
  4. Step 4: Simplify right side
    50,748.48x = 1,966,926,936.94
  5. Step 5: Solve for x
    x = 1,966,926,936.94/50,748.48
  6. Step 6: Final answer
    x = 38,758.34

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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.