Home / 38,700.32-57,730.12-38,193.44

Finding the Fourth Proportional to 38,700.32, 57,730.12 and 38,193.44

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Solution

The fourth proportional to 38,700.32, 57,730.12 and 38,193.44 is: 56,974.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,700.32 : 57,730.12 = 38,193.44 : x
  2. Step 2: Convert to fraction form
    38,700.32/57,730.12 = 38,193.44/x
  3. Step 3: Cross multiply
    38,700.32x = 57,730.12 × 38,193.44
  4. Step 4: Simplify right side
    38,700.32x = 2,204,911,874.41
  5. Step 5: Solve for x
    x = 2,204,911,874.41/38,700.32
  6. Step 6: Final answer
    x = 56,974.00

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.