Home / 56,000.70-83,968.65-20,943.90

Finding the Fourth Proportional to 56,000.70, 83,968.65 and 20,943.90

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Solution

The fourth proportional to 56,000.70, 83,968.65 and 20,943.90 is: 31,403.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,000.70 : 83,968.65 = 20,943.90 : x
  2. Step 2: Convert to fraction form
    56,000.70/83,968.65 = 20,943.90/x
  3. Step 3: Cross multiply
    56,000.70x = 83,968.65 × 20,943.90
  4. Step 4: Simplify right side
    56,000.70x = 1,758,631,008.74
  5. Step 5: Solve for x
    x = 1,758,631,008.74/56,000.70
  6. Step 6: Final answer
    x = 31,403.73

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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.