Home / 47,519.06-71,210.28-20,832.80

Finding the Fourth Proportional to 47,519.06, 71,210.28 and 20,832.80

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Solution

The fourth proportional to 47,519.06, 71,210.28 and 20,832.80 is: 31,219.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,519.06 : 71,210.28 = 20,832.80 : x
  2. Step 2: Convert to fraction form
    47,519.06/71,210.28 = 20,832.80/x
  3. Step 3: Cross multiply
    47,519.06x = 71,210.28 × 20,832.80
  4. Step 4: Simplify right side
    47,519.06x = 1,483,509,521.18
  5. Step 5: Solve for x
    x = 1,483,509,521.18/47,519.06
  6. Step 6: Final answer
    x = 31,219.25

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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.