Home / 40,953.31-61,429.91-12,875.82

Finding the Fourth Proportional to 40,953.31, 61,429.91 and 12,875.82

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Solution

The fourth proportional to 40,953.31, 61,429.91 and 12,875.82 is: 19,313.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,953.31 : 61,429.91 = 12,875.82 : x
  2. Step 2: Convert to fraction form
    40,953.31/61,429.91 = 12,875.82/x
  3. Step 3: Cross multiply
    40,953.31x = 61,429.91 × 12,875.82
  4. Step 4: Simplify right side
    40,953.31x = 790,960,156.63
  5. Step 5: Solve for x
    x = 790,960,156.63/40,953.31
  6. Step 6: Final answer
    x = 19,313.71

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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.