Home / 43,210.71-64,816.07-13,631.54

Finding the Fourth Proportional to 43,210.71, 64,816.07 and 13,631.54

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Solution

The fourth proportional to 43,210.71, 64,816.07 and 13,631.54 is: 20,447.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,210.71 : 64,816.07 = 13,631.54 : x
  2. Step 2: Convert to fraction form
    43,210.71/64,816.07 = 13,631.54/x
  3. Step 3: Cross multiply
    43,210.71x = 64,816.07 × 13,631.54
  4. Step 4: Simplify right side
    43,210.71x = 883,542,458.61
  5. Step 5: Solve for x
    x = 883,542,458.61/43,210.71
  6. Step 6: Final answer
    x = 20,447.30

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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.