Home / 35,479.68-48,960.91-19,564.12

Finding the Fourth Proportional to 35,479.68, 48,960.91 and 19,564.12

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Solution

The fourth proportional to 35,479.68, 48,960.91 and 19,564.12 is: 26,997.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,479.68 : 48,960.91 = 19,564.12 : x
  2. Step 2: Convert to fraction form
    35,479.68/48,960.91 = 19,564.12/x
  3. Step 3: Cross multiply
    35,479.68x = 48,960.91 × 19,564.12
  4. Step 4: Simplify right side
    35,479.68x = 957,877,094.16
  5. Step 5: Solve for x
    x = 957,877,094.16/35,479.68
  6. Step 6: Final answer
    x = 26,997.91

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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.