Home / 56,952.90-78,543-43,499.16

Finding the Fourth Proportional to 56,952.90, 78,543 and 43,499.16

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Solution

The fourth proportional to 56,952.90, 78,543 and 43,499.16 is: 59,989.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,952.90 : 78,543 = 43,499.16 : x
  2. Step 2: Convert to fraction form
    56,952.90/78,543 = 43,499.16/x
  3. Step 3: Cross multiply
    56,952.90x = 78,543 × 43,499.16
  4. Step 4: Simplify right side
    56,952.90x = 3,416,554,523.88
  5. Step 5: Solve for x
    x = 3,416,554,523.88/56,952.90
  6. Step 6: Final answer
    x = 59,989.12

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.