Home / 43,173.12-64,719.12-15,075.84

Finding the Fourth Proportional to 43,173.12, 64,719.12 and 15,075.84

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Solution

The fourth proportional to 43,173.12, 64,719.12 and 15,075.84 is: 22,599.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,173.12 : 64,719.12 = 15,075.84 : x
  2. Step 2: Convert to fraction form
    43,173.12/64,719.12 = 15,075.84/x
  3. Step 3: Cross multiply
    43,173.12x = 64,719.12 × 15,075.84
  4. Step 4: Simplify right side
    43,173.12x = 975,695,098.06
  5. Step 5: Solve for x
    x = 975,695,098.06/43,173.12
  6. Step 6: Final answer
    x = 22,599.60

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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.