Home / 38,345.70-57,520.35-12,051.30

Finding the Fourth Proportional to 38,345.70, 57,520.35 and 12,051.30

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Solution

The fourth proportional to 38,345.70, 57,520.35 and 12,051.30 is: 18,077.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,345.70 : 57,520.35 = 12,051.30 : x
  2. Step 2: Convert to fraction form
    38,345.70/57,520.35 = 12,051.30/x
  3. Step 3: Cross multiply
    38,345.70x = 57,520.35 × 12,051.30
  4. Step 4: Simplify right side
    38,345.70x = 693,194,993.96
  5. Step 5: Solve for x
    x = 693,194,993.96/38,345.70
  6. Step 6: Final answer
    x = 18,077.52

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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.