Home / 76,347.34-114,565.66-31,970.38

Finding the Fourth Proportional to 76,347.34, 114,565.66 and 31,970.38

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Solution

The fourth proportional to 76,347.34, 114,565.66 and 31,970.38 is: 47,974.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,347.34 : 114,565.66 = 31,970.38 : x
  2. Step 2: Convert to fraction form
    76,347.34/114,565.66 = 31,970.38/x
  3. Step 3: Cross multiply
    76,347.34x = 114,565.66 × 31,970.38
  4. Step 4: Simplify right side
    76,347.34x = 3,662,707,318.81
  5. Step 5: Solve for x
    x = 3,662,707,318.81/76,347.34
  6. Step 6: Final answer
    x = 47,974.26

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.