Home / 43,307.48-64,953.90-12,135.56

Finding the Fourth Proportional to 43,307.48, 64,953.90 and 12,135.56

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Solution

The fourth proportional to 43,307.48, 64,953.90 and 12,135.56 is: 18,201.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,307.48 : 64,953.90 = 12,135.56 : x
  2. Step 2: Convert to fraction form
    43,307.48/64,953.90 = 12,135.56/x
  3. Step 3: Cross multiply
    43,307.48x = 64,953.90 × 12,135.56
  4. Step 4: Simplify right side
    43,307.48x = 788,251,950.68
  5. Step 5: Solve for x
    x = 788,251,950.68/43,307.48
  6. Step 6: Final answer
    x = 18,201.29

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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.