Home / 38,411.40-57,617.10-30,635.40

Finding the Fourth Proportional to 38,411.40, 57,617.10 and 30,635.40

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Solution

The fourth proportional to 38,411.40, 57,617.10 and 30,635.40 is: 45,953.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,411.40 : 57,617.10 = 30,635.40 : x
  2. Step 2: Convert to fraction form
    38,411.40/57,617.10 = 30,635.40/x
  3. Step 3: Cross multiply
    38,411.40x = 57,617.10 × 30,635.40
  4. Step 4: Simplify right side
    38,411.40x = 1,765,122,905.34
  5. Step 5: Solve for x
    x = 1,765,122,905.34/38,411.40
  6. Step 6: Final answer
    x = 45,953.10

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.