Home / 74,868.22-112,318.47-21,559.84

Finding the Fourth Proportional to 74,868.22, 112,318.47 and 21,559.84

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Solution

The fourth proportional to 74,868.22, 112,318.47 and 21,559.84 is: 32,344.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    74,868.22 : 112,318.47 = 21,559.84 : x
  2. Step 2: Convert to fraction form
    74,868.22/112,318.47 = 21,559.84/x
  3. Step 3: Cross multiply
    74,868.22x = 112,318.47 × 21,559.84
  4. Step 4: Simplify right side
    74,868.22x = 2,421,567,961.45
  5. Step 5: Solve for x
    x = 2,421,567,961.45/74,868.22
  6. Step 6: Final answer
    x = 32,344.40

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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.