Home / 75,211.50-112,817.25-22,621.05

Finding the Fourth Proportional to 75,211.50, 112,817.25 and 22,621.05

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Solution

The fourth proportional to 75,211.50, 112,817.25 and 22,621.05 is: 33,931.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    75,211.50 : 112,817.25 = 22,621.05 : x
  2. Step 2: Convert to fraction form
    75,211.50/112,817.25 = 22,621.05/x
  3. Step 3: Cross multiply
    75,211.50x = 112,817.25 × 22,621.05
  4. Step 4: Simplify right side
    75,211.50x = 2,552,044,653.11
  5. Step 5: Solve for x
    x = 2,552,044,653.11/75,211.50
  6. Step 6: Final answer
    x = 33,931.58

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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.