Home / 38,346.10-57,528.70-30,478.30

Finding the Fourth Proportional to 38,346.10, 57,528.70 and 30,478.30

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Solution

The fourth proportional to 38,346.10, 57,528.70 and 30,478.30 is: 45,725.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,346.10 : 57,528.70 = 30,478.30 : x
  2. Step 2: Convert to fraction form
    38,346.10/57,528.70 = 30,478.30/x
  3. Step 3: Cross multiply
    38,346.10x = 57,528.70 × 30,478.30
  4. Step 4: Simplify right side
    38,346.10x = 1,753,376,977.21
  5. Step 5: Solve for x
    x = 1,753,376,977.21/38,346.10
  6. Step 6: Final answer
    x = 45,725.04

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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.