Home / 43,369.70-64,953.50-42,172.57

Finding the Fourth Proportional to 43,369.70, 64,953.50 and 42,172.57

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Solution

The fourth proportional to 43,369.70, 64,953.50 and 42,172.57 is: 63,160.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,369.70 : 64,953.50 = 42,172.57 : x
  2. Step 2: Convert to fraction form
    43,369.70/64,953.50 = 42,172.57/x
  3. Step 3: Cross multiply
    43,369.70x = 64,953.50 × 42,172.57
  4. Step 4: Simplify right side
    43,369.70x = 2,739,256,025.50
  5. Step 5: Solve for x
    x = 2,739,256,025.50/43,369.70
  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.