Home / 52,967.78-73,143-39,515.68

Finding the Fourth Proportional to 52,967.78, 73,143 and 39,515.68

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Solution

The fourth proportional to 52,967.78, 73,143 and 39,515.68 is: 54,567.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    52,967.78 : 73,143 = 39,515.68 : x
  2. Step 2: Convert to fraction form
    52,967.78/73,143 = 39,515.68/x
  3. Step 3: Cross multiply
    52,967.78x = 73,143 × 39,515.68
  4. Step 4: Simplify right side
    52,967.78x = 2,890,295,382.24
  5. Step 5: Solve for x
    x = 2,890,295,382.24/52,967.78
  6. Step 6: Final answer
    x = 54,567.05

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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.