Home / 47,274.88-65,210.48-28,141.80

Finding the Fourth Proportional to 47,274.88, 65,210.48 and 28,141.80

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Solution

The fourth proportional to 47,274.88, 65,210.48 and 28,141.80 is: 38,818.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,274.88 : 65,210.48 = 28,141.80 : x
  2. Step 2: Convert to fraction form
    47,274.88/65,210.48 = 28,141.80/x
  3. Step 3: Cross multiply
    47,274.88x = 65,210.48 × 28,141.80
  4. Step 4: Simplify right side
    47,274.88x = 1,835,140,286.06
  5. Step 5: Solve for x
    x = 1,835,140,286.06/47,274.88
  6. Step 6: Final answer
    x = 38,818.51

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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.