Home / 56,971.68-85,450.80-35,849.40

Finding the Fourth Proportional to 56,971.68, 85,450.80 and 35,849.40

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Solution

The fourth proportional to 56,971.68, 85,450.80 and 35,849.40 is: 53,769.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,971.68 : 85,450.80 = 35,849.40 : x
  2. Step 2: Convert to fraction form
    56,971.68/85,450.80 = 35,849.40/x
  3. Step 3: Cross multiply
    56,971.68x = 85,450.80 × 35,849.40
  4. Step 4: Simplify right side
    56,971.68x = 3,063,359,909.52
  5. Step 5: Solve for x
    x = 3,063,359,909.52/56,971.68
  6. Step 6: Final answer
    x = 53,769.87

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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.