Home / 68,002.51-93,816.61-39,316.92

Finding the Fourth Proportional to 68,002.51, 93,816.61 and 39,316.92

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Solution

The fourth proportional to 68,002.51, 93,816.61 and 39,316.92 is: 54,241.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,002.51 : 93,816.61 = 39,316.92 : x
  2. Step 2: Convert to fraction form
    68,002.51/93,816.61 = 39,316.92/x
  3. Step 3: Cross multiply
    68,002.51x = 93,816.61 × 39,316.92
  4. Step 4: Simplify right side
    68,002.51x = 3,688,580,150.04
  5. Step 5: Solve for x
    x = 3,688,580,150.04/68,002.51
  6. Step 6: Final answer
    x = 54,241.82

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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.