Home / 35,660.12-49,212.78-19,746.32

Finding the Fourth Proportional to 35,660.12, 49,212.78 and 19,746.32

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Solution

The fourth proportional to 35,660.12, 49,212.78 and 19,746.32 is: 27,250.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,660.12 : 49,212.78 = 19,746.32 : x
  2. Step 2: Convert to fraction form
    35,660.12/49,212.78 = 19,746.32/x
  3. Step 3: Cross multiply
    35,660.12x = 49,212.78 × 19,746.32
  4. Step 4: Simplify right side
    35,660.12x = 971,771,301.97
  5. Step 5: Solve for x
    x = 971,771,301.97/35,660.12
  6. Step 6: Final answer
    x = 27,250.93

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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.