Home / 43,785.81-65,688.32-14,206.63

Finding the Fourth Proportional to 43,785.81, 65,688.32 and 14,206.63

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Solution

The fourth proportional to 43,785.81, 65,688.32 and 14,206.63 is: 21,313.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,785.81 : 65,688.32 = 14,206.63 : x
  2. Step 2: Convert to fraction form
    43,785.81/65,688.32 = 14,206.63/x
  3. Step 3: Cross multiply
    43,785.81x = 65,688.32 × 14,206.63
  4. Step 4: Simplify right side
    43,785.81x = 933,209,657.56
  5. Step 5: Solve for x
    x = 933,209,657.56/43,785.81
  6. Step 6: Final answer
    x = 21,313.06

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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.