Home / 51,840.96-77,777.76-18,560.32

Finding the Fourth Proportional to 51,840.96, 77,777.76 and 18,560.32

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Solution

The fourth proportional to 51,840.96, 77,777.76 and 18,560.32 is: 27,846.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,840.96 : 77,777.76 = 18,560.32 : x
  2. Step 2: Convert to fraction form
    51,840.96/77,777.76 = 18,560.32/x
  3. Step 3: Cross multiply
    51,840.96x = 77,777.76 × 18,560.32
  4. Step 4: Simplify right side
    51,840.96x = 1,443,580,114.48
  5. Step 5: Solve for x
    x = 1,443,580,114.48/51,840.96
  6. Step 6: Final answer
    x = 27,846.32

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1.5x scale

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.