Home / 56,986.36-85,473.06-15,430.12

Finding the Fourth Proportional to 56,986.36, 85,473.06 and 15,430.12

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Solution

The fourth proportional to 56,986.36, 85,473.06 and 15,430.12 is: 23,143.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,986.36 : 85,473.06 = 15,430.12 : x
  2. Step 2: Convert to fraction form
    56,986.36/85,473.06 = 15,430.12/x
  3. Step 3: Cross multiply
    56,986.36x = 85,473.06 × 15,430.12
  4. Step 4: Simplify right side
    56,986.36x = 1,318,859,572.57
  5. Step 5: Solve for x
    x = 1,318,859,572.57/56,986.36
  6. Step 6: Final answer
    x = 23,143.43

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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.