Home / 50,820.66-70,131.56-28,159.56

Finding the Fourth Proportional to 50,820.66, 70,131.56 and 28,159.56

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Solution

The fourth proportional to 50,820.66, 70,131.56 and 28,159.56 is: 38,859.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,820.66 : 70,131.56 = 28,159.56 : x
  2. Step 2: Convert to fraction form
    50,820.66/70,131.56 = 28,159.56/x
  3. Step 3: Cross multiply
    50,820.66x = 70,131.56 × 28,159.56
  4. Step 4: Simplify right side
    50,820.66x = 1,974,873,871.71
  5. Step 5: Solve for x
    x = 1,974,873,871.71/50,820.66
  6. Step 6: Final answer
    x = 38,859.67

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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.