Home / 56,256.50-77,636.40-31,106

Finding the Fourth Proportional to 56,256.50, 77,636.40 and 31,106

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Solution

The fourth proportional to 56,256.50, 77,636.40 and 31,106 is: 42,927.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,256.50 : 77,636.40 = 31,106 : x
  2. Step 2: Convert to fraction form
    56,256.50/77,636.40 = 31,106/x
  3. Step 3: Cross multiply
    56,256.50x = 77,636.40 × 31,106
  4. Step 4: Simplify right side
    56,256.50x = 2,414,957,858.40
  5. Step 5: Solve for x
    x = 2,414,957,858.40/56,256.50
  6. Step 6: Final answer
    x = 42,927.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.