Home / 61,084.82-91,641.58-18,962.74

Finding the Fourth Proportional to 61,084.82, 91,641.58 and 18,962.74

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Solution

The fourth proportional to 61,084.82, 91,641.58 and 18,962.74 is: 28,448.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    61,084.82 : 91,641.58 = 18,962.74 : x
  2. Step 2: Convert to fraction form
    61,084.82/91,641.58 = 18,962.74/x
  3. Step 3: Cross multiply
    61,084.82x = 91,641.58 × 18,962.74
  4. Step 4: Simplify right side
    61,084.82x = 1,737,775,521.87
  5. Step 5: Solve for x
    x = 1,737,775,521.87/61,084.82
  6. Step 6: Final answer
    x = 28,448.57

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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.