Home / 45,068.15-67,603.82-15,485.78

Finding the Fourth Proportional to 45,068.15, 67,603.82 and 15,485.78

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Solution

The fourth proportional to 45,068.15, 67,603.82 and 15,485.78 is: 23,229.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    45,068.15 : 67,603.82 = 15,485.78 : x
  2. Step 2: Convert to fraction form
    45,068.15/67,603.82 = 15,485.78/x
  3. Step 3: Cross multiply
    45,068.15x = 67,603.82 × 15,485.78
  4. Step 4: Simplify right side
    45,068.15x = 1,046,897,975.26
  5. Step 5: Solve for x
    x = 1,046,897,975.26/45,068.15
  6. Step 6: Final answer
    x = 23,229.22

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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.