Home / 57,291.13-85,941.32-21,769.48

Finding the Fourth Proportional to 57,291.13, 85,941.32 and 21,769.48

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Solution

The fourth proportional to 57,291.13, 85,941.32 and 21,769.48 is: 32,655.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    57,291.13 : 85,941.32 = 21,769.48 : x
  2. Step 2: Convert to fraction form
    57,291.13/85,941.32 = 21,769.48/x
  3. Step 3: Cross multiply
    57,291.13x = 85,941.32 × 21,769.48
  4. Step 4: Simplify right side
    57,291.13x = 1,870,897,846.91
  5. Step 5: Solve for x
    x = 1,870,897,846.91/57,291.13
  6. Step 6: Final answer
    x = 32,655.98

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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.