Home / 50,931.18-70,284.92-28,270.44

Finding the Fourth Proportional to 50,931.18, 70,284.92 and 28,270.44

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Solution

The fourth proportional to 50,931.18, 70,284.92 and 28,270.44 is: 39,013.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,931.18 : 70,284.92 = 28,270.44 : x
  2. Step 2: Convert to fraction form
    50,931.18/70,284.92 = 28,270.44/x
  3. Step 3: Cross multiply
    50,931.18x = 70,284.92 × 28,270.44
  4. Step 4: Simplify right side
    50,931.18x = 1,986,985,472.41
  5. Step 5: Solve for x
    x = 1,986,985,472.41/50,931.18
  6. Step 6: Final answer
    x = 39,013.14

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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.