Home / 47,817.18-65,989.31-26,307.81

Finding the Fourth Proportional to 47,817.18, 65,989.31 and 26,307.81

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Solution

The fourth proportional to 47,817.18, 65,989.31 and 26,307.81 is: 36,305.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,817.18 : 65,989.31 = 26,307.81 : x
  2. Step 2: Convert to fraction form
    47,817.18/65,989.31 = 26,307.81/x
  3. Step 3: Cross multiply
    47,817.18x = 65,989.31 × 26,307.81
  4. Step 4: Simplify right side
    47,817.18x = 1,736,034,097.97
  5. Step 5: Solve for x
    x = 1,736,034,097.97/47,817.18
  6. Step 6: Final answer
    x = 36,305.66

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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.