Home / 38,749.93-58,070.76-20,942.20

Finding the Fourth Proportional to 38,749.93, 58,070.76 and 20,942.20

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Solution

The fourth proportional to 38,749.93, 58,070.76 and 20,942.20 is: 31,384.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,749.93 : 58,070.76 = 20,942.20 : x
  2. Step 2: Convert to fraction form
    38,749.93/58,070.76 = 20,942.20/x
  3. Step 3: Cross multiply
    38,749.93x = 58,070.76 × 20,942.20
  4. Step 4: Simplify right side
    38,749.93x = 1,216,129,137.48
  5. Step 5: Solve for x
    x = 1,216,129,137.48/38,749.93
  6. Step 6: Final answer
    x = 31,384.04

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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.