Home / 43,153.16-64,739.35-16,858.13

Finding the Fourth Proportional to 43,153.16, 64,739.35 and 16,858.13

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Solution

The fourth proportional to 43,153.16, 64,739.35 and 16,858.13 is: 25,290.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,153.16 : 64,739.35 = 16,858.13 : x
  2. Step 2: Convert to fraction form
    43,153.16/64,739.35 = 16,858.13/x
  3. Step 3: Cross multiply
    43,153.16x = 64,739.35 × 16,858.13
  4. Step 4: Simplify right side
    43,153.16x = 1,091,384,075.79
  5. Step 5: Solve for x
    x = 1,091,384,075.79/43,153.16
  6. Step 6: Final answer
    x = 25,290.95

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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.