Home / 57,245.04-78,995.40-31,749.44

Finding the Fourth Proportional to 57,245.04, 78,995.40 and 31,749.44

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Solution

The fourth proportional to 57,245.04, 78,995.40 and 31,749.44 is: 43,812.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,245.04 : 78,995.40 = 31,749.44 : x
  2. Step 2: Convert to fraction form
    57,245.04/78,995.40 = 31,749.44/x
  3. Step 3: Cross multiply
    57,245.04x = 78,995.40 × 31,749.44
  4. Step 4: Simplify right side
    57,245.04x = 2,508,059,712.58
  5. Step 5: Solve for x
    x = 2,508,059,712.58/57,245.04
  6. Step 6: Final answer
    x = 43,812.70

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.