Home / 73,968.48-111,031.68-31,869.44

Finding the Fourth Proportional to 73,968.48, 111,031.68 and 31,869.44

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Solution

The fourth proportional to 73,968.48, 111,031.68 and 31,869.44 is: 47,838.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    73,968.48 : 111,031.68 = 31,869.44 : x
  2. Step 2: Convert to fraction form
    73,968.48/111,031.68 = 31,869.44/x
  3. Step 3: Cross multiply
    73,968.48x = 111,031.68 × 31,869.44
  4. Step 4: Simplify right side
    73,968.48x = 3,538,516,908.70
  5. Step 5: Solve for x
    x = 3,538,516,908.70/73,968.48
  6. Step 6: Final answer
    x = 47,838.17

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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.