Home / 43,389.48-65,086.08-13,804.32

Finding the Fourth Proportional to 43,389.48, 65,086.08 and 13,804.32

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Solution

The fourth proportional to 43,389.48, 65,086.08 and 13,804.32 is: 20,707.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,389.48 : 65,086.08 = 13,804.32 : x
  2. Step 2: Convert to fraction form
    43,389.48/65,086.08 = 13,804.32/x
  3. Step 3: Cross multiply
    43,389.48x = 65,086.08 × 13,804.32
  4. Step 4: Simplify right side
    43,389.48x = 898,469,075.87
  5. Step 5: Solve for x
    x = 898,469,075.87/43,389.48
  6. Step 6: Final answer
    x = 20,707.07

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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.