Home / 47,990.40-71,983.32-16,823.28

Finding the Fourth Proportional to 47,990.40, 71,983.32 and 16,823.28

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Solution

The fourth proportional to 47,990.40, 71,983.32 and 16,823.28 is: 25,234.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    47,990.40 : 71,983.32 = 16,823.28 : x
  2. Step 2: Convert to fraction form
    47,990.40/71,983.32 = 16,823.28/x
  3. Step 3: Cross multiply
    47,990.40x = 71,983.32 × 16,823.28
  4. Step 4: Simplify right side
    47,990.40x = 1,210,995,547.69
  5. Step 5: Solve for x
    x = 1,210,995,547.69/47,990.40
  6. Step 6: Final answer
    x = 25,234.12

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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.