Home / 48,507.71-66,948.81-28,086.80

Finding the Fourth Proportional to 48,507.71, 66,948.81 and 28,086.80

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Solution

The fourth proportional to 48,507.71, 66,948.81 and 28,086.80 is: 38,764.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,507.71 : 66,948.81 = 28,086.80 : x
  2. Step 2: Convert to fraction form
    48,507.71/66,948.81 = 28,086.80/x
  3. Step 3: Cross multiply
    48,507.71x = 66,948.81 × 28,086.80
  4. Step 4: Simplify right side
    48,507.71x = 1,880,377,836.71
  5. Step 5: Solve for x
    x = 1,880,377,836.71/48,507.71
  6. Step 6: Final answer
    x = 38,764.51

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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.