Home / 50,807.88-70,113.96-28,146.80

Finding the Fourth Proportional to 50,807.88, 70,113.96 and 28,146.80

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Solution

The fourth proportional to 50,807.88, 70,113.96 and 28,146.80 is: 38,842.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,807.88 : 70,113.96 = 28,146.80 : x
  2. Step 2: Convert to fraction form
    50,807.88/70,113.96 = 28,146.80/x
  3. Step 3: Cross multiply
    50,807.88x = 70,113.96 × 28,146.80
  4. Step 4: Simplify right side
    50,807.88x = 1,973,483,258.76
  5. Step 5: Solve for x
    x = 1,973,483,258.76/50,807.88
  6. Step 6: Final answer
    x = 38,842.07

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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.