Home / 43,075.68-64,613.54-13,495.83

Finding the Fourth Proportional to 43,075.68, 64,613.54 and 13,495.83

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Solution

The fourth proportional to 43,075.68, 64,613.54 and 13,495.83 is: 20,243.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,075.68 : 64,613.54 = 13,495.83 : x
  2. Step 2: Convert to fraction form
    43,075.68/64,613.54 = 13,495.83/x
  3. Step 3: Cross multiply
    43,075.68x = 64,613.54 × 13,495.83
  4. Step 4: Simplify right side
    43,075.68x = 872,013,284.06
  5. Step 5: Solve for x
    x = 872,013,284.06/43,075.68
  6. Step 6: Final answer
    x = 20,243.75

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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.