Home / 47,835.63-71,769.58-21,177.94

Finding the Fourth Proportional to 47,835.63, 71,769.58 and 21,177.94

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Solution

The fourth proportional to 47,835.63, 71,769.58 and 21,177.94 is: 31,774.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,835.63 : 71,769.58 = 21,177.94 : x
  2. Step 2: Convert to fraction form
    47,835.63/71,769.58 = 21,177.94/x
  3. Step 3: Cross multiply
    47,835.63x = 71,769.58 × 21,177.94
  4. Step 4: Simplify right side
    47,835.63x = 1,519,931,859.07
  5. Step 5: Solve for x
    x = 1,519,931,859.07/47,835.63
  6. Step 6: Final answer
    x = 31,774.05

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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.