Home / 43,151.48-64,742.80-15,075.68

Finding the Fourth Proportional to 43,151.48, 64,742.80 and 15,075.68

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Solution

The fourth proportional to 43,151.48, 64,742.80 and 15,075.68 is: 22,618.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,151.48 : 64,742.80 = 15,075.68 : x
  2. Step 2: Convert to fraction form
    43,151.48/64,742.80 = 15,075.68/x
  3. Step 3: Cross multiply
    43,151.48x = 64,742.80 × 15,075.68
  4. Step 4: Simplify right side
    43,151.48x = 976,041,735.10
  5. Step 5: Solve for x
    x = 976,041,735.10/43,151.48
  6. Step 6: Final answer
    x = 22,618.96

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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.