Home / 48,727.71-67,243.73-28,580.74

Finding the Fourth Proportional to 48,727.71, 67,243.73 and 28,580.74

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Solution

The fourth proportional to 48,727.71, 67,243.73 and 28,580.74 is: 39,441.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,727.71 : 67,243.73 = 28,580.74 : x
  2. Step 2: Convert to fraction form
    48,727.71/67,243.73 = 28,580.74/x
  3. Step 3: Cross multiply
    48,727.71x = 67,243.73 × 28,580.74
  4. Step 4: Simplify right side
    48,727.71x = 1,921,875,563.76
  5. Step 5: Solve for x
    x = 1,921,875,563.76/48,727.71
  6. Step 6: Final answer
    x = 39,441.12

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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.