Home / 42,217.67-63,232.79-30,335.78

Finding the Fourth Proportional to 42,217.67, 63,232.79 and 30,335.78

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Solution

The fourth proportional to 42,217.67, 63,232.79 and 30,335.78 is: 45,436.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    42,217.67 : 63,232.79 = 30,335.78 : x
  2. Step 2: Convert to fraction form
    42,217.67/63,232.79 = 30,335.78/x
  3. Step 3: Cross multiply
    42,217.67x = 63,232.79 × 30,335.78
  4. Step 4: Simplify right side
    42,217.67x = 1,918,216,012.63
  5. Step 5: Solve for x
    x = 1,918,216,012.63/42,217.67
  6. Step 6: Final answer
    x = 45,436.33

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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.