Home / 56,359.41-84,544.76-20,830.06

Finding the Fourth Proportional to 56,359.41, 84,544.76 and 20,830.06

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Solution

The fourth proportional to 56,359.41, 84,544.76 and 20,830.06 is: 31,247.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,359.41 : 84,544.76 = 20,830.06 : x
  2. Step 2: Convert to fraction form
    56,359.41/84,544.76 = 20,830.06/x
  3. Step 3: Cross multiply
    56,359.41x = 84,544.76 × 20,830.06
  4. Step 4: Simplify right side
    56,359.41x = 1,761,072,423.49
  5. Step 5: Solve for x
    x = 1,761,072,423.49/56,359.41
  6. Step 6: Final answer
    x = 31,247.18

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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.