Home / 51,048.56-70,442.76-28,384.64

Finding the Fourth Proportional to 51,048.56, 70,442.76 and 28,384.64

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Solution

The fourth proportional to 51,048.56, 70,442.76 and 28,384.64 is: 39,168.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,048.56 : 70,442.76 = 28,384.64 : x
  2. Step 2: Convert to fraction form
    51,048.56/70,442.76 = 28,384.64/x
  3. Step 3: Cross multiply
    51,048.56x = 70,442.76 × 28,384.64
  4. Step 4: Simplify right side
    51,048.56x = 1,999,492,383.21
  5. Step 5: Solve for x
    x = 1,999,492,383.21/51,048.56
  6. Step 6: Final answer
    x = 39,168.44

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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.