Home / 76,391.40-114,559.64-26,458.06

Finding the Fourth Proportional to 76,391.40, 114,559.64 and 26,458.06

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Solution

The fourth proportional to 76,391.40, 114,559.64 and 26,458.06 is: 39,677.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,391.40 : 114,559.64 = 26,458.06 : x
  2. Step 2: Convert to fraction form
    76,391.40/114,559.64 = 26,458.06/x
  3. Step 3: Cross multiply
    76,391.40x = 114,559.64 × 26,458.06
  4. Step 4: Simplify right side
    76,391.40x = 3,031,025,828.70
  5. Step 5: Solve for x
    x = 3,031,025,828.70/76,391.40
  6. Step 6: Final answer
    x = 39,677.58

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1.5x scale

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.