Home / 67,998.43-93,810.94-39,312.81

Finding the Fourth Proportional to 67,998.43, 93,810.94 and 39,312.81

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Solution

The fourth proportional to 67,998.43, 93,810.94 and 39,312.81 is: 54,236.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    67,998.43 : 93,810.94 = 39,312.81 : x
  2. Step 2: Convert to fraction form
    67,998.43/93,810.94 = 39,312.81/x
  3. Step 3: Cross multiply
    67,998.43x = 93,810.94 × 39,312.81
  4. Step 4: Simplify right side
    67,998.43x = 3,687,971,660.14
  5. Step 5: Solve for x
    x = 3,687,971,660.14/67,998.43
  6. Step 6: Final answer
    x = 54,236.13

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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.