Home / 50,890.29-70,225.11-28,228.38

Finding the Fourth Proportional to 50,890.29, 70,225.11 and 28,228.38

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Solution

The fourth proportional to 50,890.29, 70,225.11 and 28,228.38 is: 38,953.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,890.29 : 70,225.11 = 28,228.38 : x
  2. Step 2: Convert to fraction form
    50,890.29/70,225.11 = 28,228.38/x
  3. Step 3: Cross multiply
    50,890.29x = 70,225.11 × 28,228.38
  4. Step 4: Simplify right side
    50,890.29x = 1,982,341,090.62
  5. Step 5: Solve for x
    x = 1,982,341,090.62/50,890.29
  6. Step 6: Final answer
    x = 38,953.23

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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.