Home / 50,911.92-70,258.24-28,254.36

Finding the Fourth Proportional to 50,911.92, 70,258.24 and 28,254.36

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Solution

The fourth proportional to 50,911.92, 70,258.24 and 28,254.36 is: 38,990.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,911.92 : 70,258.24 = 28,254.36 : x
  2. Step 2: Convert to fraction form
    50,911.92/70,258.24 = 28,254.36/x
  3. Step 3: Cross multiply
    50,911.92x = 70,258.24 × 28,254.36
  4. Step 4: Simplify right side
    50,911.92x = 1,985,101,605.93
  5. Step 5: Solve for x
    x = 1,985,101,605.93/50,911.92
  6. Step 6: Final answer
    x = 38,990.90

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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.