Home / 43,238.70-64,834.20-15,151.32

Finding the Fourth Proportional to 43,238.70, 64,834.20 and 15,151.32

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Solution

The fourth proportional to 43,238.70, 64,834.20 and 15,151.32 is: 22,718.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,238.70 : 64,834.20 = 15,151.32 : x
  2. Step 2: Convert to fraction form
    43,238.70/64,834.20 = 15,151.32/x
  3. Step 3: Cross multiply
    43,238.70x = 64,834.20 × 15,151.32
  4. Step 4: Simplify right side
    43,238.70x = 982,323,711.14
  5. Step 5: Solve for x
    x = 982,323,711.14/43,238.70
  6. Step 6: Final answer
    x = 22,718.62

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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.