Home / 50,840.29-70,160.09-28,179.76

Finding the Fourth Proportional to 50,840.29, 70,160.09 and 28,179.76

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Solution

The fourth proportional to 50,840.29, 70,160.09 and 28,179.76 is: 38,888.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,840.29 : 70,160.09 = 28,179.76 : x
  2. Step 2: Convert to fraction form
    50,840.29/70,160.09 = 28,179.76/x
  3. Step 3: Cross multiply
    50,840.29x = 70,160.09 × 28,179.76
  4. Step 4: Simplify right side
    50,840.29x = 1,977,094,497.78
  5. Step 5: Solve for x
    x = 1,977,094,497.78/50,840.29
  6. Step 6: Final answer
    x = 38,888.34

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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.