Home / 67,701.42-93,428.94-39,005.25

Finding the Fourth Proportional to 67,701.42, 93,428.94 and 39,005.25

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Solution

The fourth proportional to 67,701.42, 93,428.94 and 39,005.25 is: 53,827.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,701.42 : 93,428.94 = 39,005.25 : x
  2. Step 2: Convert to fraction form
    67,701.42/93,428.94 = 39,005.25/x
  3. Step 3: Cross multiply
    67,701.42x = 93,428.94 × 39,005.25
  4. Step 4: Simplify right side
    67,701.42x = 3,644,218,957.85
  5. Step 5: Solve for x
    x = 3,644,218,957.85/67,701.42
  6. Step 6: Final answer
    x = 53,827.81

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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.