Home / 76,021.40-113,999.47-26,106.50

Finding the Fourth Proportional to 76,021.40, 113,999.47 and 26,106.50

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Solution

The fourth proportional to 76,021.40, 113,999.47 and 26,106.50 is: 39,148.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    76,021.40 : 113,999.47 = 26,106.50 : x
  2. Step 2: Convert to fraction form
    76,021.40/113,999.47 = 26,106.50/x
  3. Step 3: Cross multiply
    76,021.40x = 113,999.47 × 26,106.50
  4. Step 4: Simplify right side
    76,021.40x = 2,976,127,383.29
  5. Step 5: Solve for x
    x = 2,976,127,383.29/76,021.40
  6. Step 6: Final answer
    x = 39,148.55

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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.