Home / 47,953.91-66,180-27,810.63

Finding the Fourth Proportional to 47,953.91, 66,180 and 27,810.63

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Solution

The fourth proportional to 47,953.91, 66,180 and 27,810.63 is: 38,380.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,953.91 : 66,180 = 27,810.63 : x
  2. Step 2: Convert to fraction form
    47,953.91/66,180 = 27,810.63/x
  3. Step 3: Cross multiply
    47,953.91x = 66,180 × 27,810.63
  4. Step 4: Simplify right side
    47,953.91x = 1,840,507,493.40
  5. Step 5: Solve for x
    x = 1,840,507,493.40/47,953.91
  6. Step 6: Final answer
    x = 38,380.76

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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.