Home / 51,298.20-70,820.96-39,102.94

Finding the Fourth Proportional to 51,298.20, 70,820.96 and 39,102.94

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Solution

The fourth proportional to 51,298.20, 70,820.96 and 39,102.94 is: 53,984.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,298.20 : 70,820.96 = 39,102.94 : x
  2. Step 2: Convert to fraction form
    51,298.20/70,820.96 = 39,102.94/x
  3. Step 3: Cross multiply
    51,298.20x = 70,820.96 × 39,102.94
  4. Step 4: Simplify right side
    51,298.20x = 2,769,307,749.62
  5. Step 5: Solve for x
    x = 2,769,307,749.62/51,298.20
  6. Step 6: Final answer
    x = 53,984.50

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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.