Home / 70,349.22-105,512.43-25,996.86

Finding the Fourth Proportional to 70,349.22, 105,512.43 and 25,996.86

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Solution

The fourth proportional to 70,349.22, 105,512.43 and 25,996.86 is: 38,991.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,349.22 : 105,512.43 = 25,996.86 : x
  2. Step 2: Convert to fraction form
    70,349.22/105,512.43 = 25,996.86/x
  3. Step 3: Cross multiply
    70,349.22x = 105,512.43 × 25,996.86
  4. Step 4: Simplify right side
    70,349.22x = 2,742,991,870.97
  5. Step 5: Solve for x
    x = 2,742,991,870.97/70,349.22
  6. Step 6: Final answer
    x = 38,991.08

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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.