Home / 75,638.40-113,431.06-22,316.23

Finding the Fourth Proportional to 75,638.40, 113,431.06 and 22,316.23

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Solution

The fourth proportional to 75,638.40, 113,431.06 and 22,316.23 is: 33,466.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,638.40 : 113,431.06 = 22,316.23 : x
  2. Step 2: Convert to fraction form
    75,638.40/113,431.06 = 22,316.23/x
  3. Step 3: Cross multiply
    75,638.40x = 113,431.06 × 22,316.23
  4. Step 4: Simplify right side
    75,638.40x = 2,531,353,624.10
  5. Step 5: Solve for x
    x = 2,531,353,624.10/75,638.40
  6. Step 6: Final answer
    x = 33,466.51

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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.