Home / 70,247.60-96,942.45-38,415.81

Finding the Fourth Proportional to 70,247.60, 96,942.45 and 38,415.81

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Solution

The fourth proportional to 70,247.60, 96,942.45 and 38,415.81 is: 53,014.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    70,247.60 : 96,942.45 = 38,415.81 : x
  2. Step 2: Convert to fraction form
    70,247.60/96,942.45 = 38,415.81/x
  3. Step 3: Cross multiply
    70,247.60x = 96,942.45 × 38,415.81
  4. Step 4: Simplify right side
    70,247.60x = 3,724,122,740.13
  5. Step 5: Solve for x
    x = 3,724,122,740.13/70,247.60
  6. Step 6: Final answer
    x = 53,014.23

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1.5x scale

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.