Home / 43,369.69-64,953.49-42,172.57

Finding the Fourth Proportional to 43,369.69, 64,953.49 and 42,172.57

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Solution

The fourth proportional to 43,369.69, 64,953.49 and 42,172.57 is: 63,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,369.69 : 64,953.49 = 42,172.57 : x
  2. Step 2: Convert to fraction form
    43,369.69/64,953.49 = 42,172.57/x
  3. Step 3: Cross multiply
    43,369.69x = 64,953.49 × 42,172.57
  4. Step 4: Simplify right side
    43,369.69x = 2,739,255,293.24
  5. Step 5: Solve for x
    x = 2,739,255,293.24/43,369.69
  6. Step 6: Final answer
    x = 63,160.59

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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.