Home / 34,872.47-48,123.43-18,957.32

Finding the Fourth Proportional to 34,872.47, 48,123.43 and 18,957.32

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Solution

The fourth proportional to 34,872.47, 48,123.43 and 18,957.32 is: 26,160.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    34,872.47 : 48,123.43 = 18,957.32 : x
  2. Step 2: Convert to fraction form
    34,872.47/48,123.43 = 18,957.32/x
  3. Step 3: Cross multiply
    34,872.47x = 48,123.43 × 18,957.32
  4. Step 4: Simplify right side
    34,872.47x = 912,291,021.39
  5. Step 5: Solve for x
    x = 912,291,021.39/34,872.47
  6. Step 6: Final answer
    x = 26,160.78

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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.