Home / 47,950.12-66,178.96-28,849.20

Finding the Fourth Proportional to 47,950.12, 66,178.96 and 28,849.20

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Solution

The fourth proportional to 47,950.12, 66,178.96 and 28,849.20 is: 39,816.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,950.12 : 66,178.96 = 28,849.20 : x
  2. Step 2: Convert to fraction form
    47,950.12/66,178.96 = 28,849.20/x
  3. Step 3: Cross multiply
    47,950.12x = 66,178.96 × 28,849.20
  4. Step 4: Simplify right side
    47,950.12x = 1,909,210,052.83
  5. Step 5: Solve for x
    x = 1,909,210,052.83/47,950.12
  6. Step 6: Final answer
    x = 39,816.59

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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.