Home / 47,803.56-65,956.86-28,937.04

Finding the Fourth Proportional to 47,803.56, 65,956.86 and 28,937.04

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Solution

The fourth proportional to 47,803.56, 65,956.86 and 28,937.04 is: 39,925.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,803.56 : 65,956.86 = 28,937.04 : x
  2. Step 2: Convert to fraction form
    47,803.56/65,956.86 = 28,937.04/x
  3. Step 3: Cross multiply
    47,803.56x = 65,956.86 × 28,937.04
  4. Step 4: Simplify right side
    47,803.56x = 1,908,596,296.09
  5. Step 5: Solve for x
    x = 1,908,596,296.09/47,803.56
  6. Step 6: Final answer
    x = 39,925.82

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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.