Home / 56,040.96-84,060.72-18,618.24

Finding the Fourth Proportional to 56,040.96, 84,060.72 and 18,618.24

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Solution

The fourth proportional to 56,040.96, 84,060.72 and 18,618.24 is: 27,927.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    56,040.96 : 84,060.72 = 18,618.24 : x
  2. Step 2: Convert to fraction form
    56,040.96/84,060.72 = 18,618.24/x
  3. Step 3: Cross multiply
    56,040.96x = 84,060.72 × 18,618.24
  4. Step 4: Simplify right side
    56,040.96x = 1,565,062,659.53
  5. Step 5: Solve for x
    x = 1,565,062,659.53/56,040.96
  6. Step 6: Final answer
    x = 27,927.12

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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.