Home / 43,341.21-64,888.56-28,505.52

Finding the Fourth Proportional to 43,341.21, 64,888.56 and 28,505.52

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Solution

The fourth proportional to 43,341.21, 64,888.56 and 28,505.52 is: 42,677.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,341.21 : 64,888.56 = 28,505.52 : x
  2. Step 2: Convert to fraction form
    43,341.21/64,888.56 = 28,505.52/x
  3. Step 3: Cross multiply
    43,341.21x = 64,888.56 × 28,505.52
  4. Step 4: Simplify right side
    43,341.21x = 1,849,682,144.85
  5. Step 5: Solve for x
    x = 1,849,682,144.85/43,341.21
  6. Step 6: Final answer
    x = 42,677.22

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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.