Home / 50,818.24-70,129.28-28,157.03

Finding the Fourth Proportional to 50,818.24, 70,129.28 and 28,157.03

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Solution

The fourth proportional to 50,818.24, 70,129.28 and 28,157.03 is: 38,856.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,818.24 : 70,129.28 = 28,157.03 : x
  2. Step 2: Convert to fraction form
    50,818.24/70,129.28 = 28,157.03/x
  3. Step 3: Cross multiply
    50,818.24x = 70,129.28 × 28,157.03
  4. Step 4: Simplify right side
    50,818.24x = 1,974,632,459.66
  5. Step 5: Solve for x
    x = 1,974,632,459.66/50,818.24
  6. Step 6: Final answer
    x = 38,856.77

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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.