Home / 47,983.20-71,966.64-21,681.84

Finding the Fourth Proportional to 47,983.20, 71,966.64 and 21,681.84

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Solution

The fourth proportional to 47,983.20, 71,966.64 and 21,681.84 is: 32,519.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,983.20 : 71,966.64 = 21,681.84 : x
  2. Step 2: Convert to fraction form
    47,983.20/71,966.64 = 21,681.84/x
  3. Step 3: Cross multiply
    47,983.20x = 71,966.64 × 21,681.84
  4. Step 4: Simplify right side
    47,983.20x = 1,560,369,173.82
  5. Step 5: Solve for x
    x = 1,560,369,173.82/47,983.20
  6. Step 6: Final answer
    x = 32,519.07

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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.