Home / 40,727.89-61,072.53-15,779.62

Finding the Fourth Proportional to 40,727.89, 61,072.53 and 15,779.62

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Solution

The fourth proportional to 40,727.89, 61,072.53 and 15,779.62 is: 23,661.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,727.89 : 61,072.53 = 15,779.62 : x
  2. Step 2: Convert to fraction form
    40,727.89/61,072.53 = 15,779.62/x
  3. Step 3: Cross multiply
    40,727.89x = 61,072.53 × 15,779.62
  4. Step 4: Simplify right side
    40,727.89x = 963,701,315.84
  5. Step 5: Solve for x
    x = 963,701,315.84/40,727.89
  6. Step 6: Final answer
    x = 23,661.95

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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.