Home / 29,582.34-40,813.17-18,977.70

Finding the Fourth Proportional to 29,582.34, 40,813.17 and 18,977.70

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Solution

The fourth proportional to 29,582.34, 40,813.17 and 18,977.70 is: 26,182.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    29,582.34 : 40,813.17 = 18,977.70 : x
  2. Step 2: Convert to fraction form
    29,582.34/40,813.17 = 18,977.70/x
  3. Step 3: Cross multiply
    29,582.34x = 40,813.17 × 18,977.70
  4. Step 4: Simplify right side
    29,582.34x = 774,540,096.31
  5. Step 5: Solve for x
    x = 774,540,096.31/29,582.34
  6. Step 6: Final answer
    x = 26,182.52

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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.