Home / 52,409,882.76-72,325,926.12-30,396,435.80

Finding the Fourth Proportional to 52,409,882.76, 72,325,926.12 and 30,396,435.80

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Solution

The fourth proportional to 52,409,882.76, 72,325,926.12 and 30,396,435.80 is: 41,947,248.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,409,882.76 : 72,325,926.12 = 30,396,435.80 : x
  2. Step 2: Convert to fraction form
    52,409,882.76/72,325,926.12 = 30,396,435.80/x
  3. Step 3: Cross multiply
    52,409,882.76x = 72,325,926.12 × 30,396,435.80
  4. Step 4: Simplify right side
    52,409,882.76x = 2,198,450,369,982,123.25
  5. Step 5: Solve for x
    x = 2,198,450,369,982,123.25/52,409,882.76
  6. Step 6: Final answer
    x = 41,947,248.39

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.