Home / 56,104.20-84,188.70-21,047.40

Finding the Fourth Proportional to 56,104.20, 84,188.70 and 21,047.40

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Solution

The fourth proportional to 56,104.20, 84,188.70 and 21,047.40 is: 31,583.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,104.20 : 84,188.70 = 21,047.40 : x
  2. Step 2: Convert to fraction form
    56,104.20/84,188.70 = 21,047.40/x
  3. Step 3: Cross multiply
    56,104.20x = 84,188.70 × 21,047.40
  4. Step 4: Simplify right side
    56,104.20x = 1,771,953,244.38
  5. Step 5: Solve for x
    x = 1,771,953,244.38/56,104.20
  6. Step 6: Final answer
    x = 31,583.25

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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.