Home / 48,371.09-72,528.62-18,754.25

Finding the Fourth Proportional to 48,371.09, 72,528.62 and 18,754.25

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Solution

The fourth proportional to 48,371.09, 72,528.62 and 18,754.25 is: 28,120.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    48,371.09 : 72,528.62 = 18,754.25 : x
  2. Step 2: Convert to fraction form
    48,371.09/72,528.62 = 18,754.25/x
  3. Step 3: Cross multiply
    48,371.09x = 72,528.62 × 18,754.25
  4. Step 4: Simplify right side
    48,371.09x = 1,360,219,959.19
  5. Step 5: Solve for x
    x = 1,360,219,959.19/48,371.09
  6. Step 6: Final answer
    x = 28,120.51

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.