Home / 37,642.24-56,378.40-21,611.20

Finding the Fourth Proportional to 37,642.24, 56,378.40 and 21,611.20

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Solution

The fourth proportional to 37,642.24, 56,378.40 and 21,611.20 is: 32,368.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    37,642.24 : 56,378.40 = 21,611.20 : x
  2. Step 2: Convert to fraction form
    37,642.24/56,378.40 = 21,611.20/x
  3. Step 3: Cross multiply
    37,642.24x = 56,378.40 × 21,611.20
  4. Step 4: Simplify right side
    37,642.24x = 1,218,404,878.08
  5. Step 5: Solve for x
    x = 1,218,404,878.08/37,642.24
  6. Step 6: Final answer
    x = 32,368.02

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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.