Home / 47,903.45-71,855.71-18,322.79

Finding the Fourth Proportional to 47,903.45, 71,855.71 and 18,322.79

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Solution

The fourth proportional to 47,903.45, 71,855.71 and 18,322.79 is: 27,484.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,903.45 : 71,855.71 = 18,322.79 : x
  2. Step 2: Convert to fraction form
    47,903.45/71,855.71 = 18,322.79/x
  3. Step 3: Cross multiply
    47,903.45x = 71,855.71 × 18,322.79
  4. Step 4: Simplify right side
    47,903.45x = 1,316,596,679.55
  5. Step 5: Solve for x
    x = 1,316,596,679.55/47,903.45
  6. Step 6: Final answer
    x = 27,484.38

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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.