Home / 50,939.10-70,304.28-28,285.41

Finding the Fourth Proportional to 50,939.10, 70,304.28 and 28,285.41

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Solution

The fourth proportional to 50,939.10, 70,304.28 and 28,285.41 is: 39,038.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    50,939.10 : 70,304.28 = 28,285.41 : x
  2. Step 2: Convert to fraction form
    50,939.10/70,304.28 = 28,285.41/x
  3. Step 3: Cross multiply
    50,939.10x = 70,304.28 × 28,285.41
  4. Step 4: Simplify right side
    50,939.10x = 1,988,585,384.55
  5. Step 5: Solve for x
    x = 1,988,585,384.55/50,939.10
  6. Step 6: Final answer
    x = 39,038.49

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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.