Home / 35,921.76-49,570.07-19,785.92

Finding the Fourth Proportional to 35,921.76, 49,570.07 and 19,785.92

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Solution

The fourth proportional to 35,921.76, 49,570.07 and 19,785.92 is: 27,303.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,921.76 : 49,570.07 = 19,785.92 : x
  2. Step 2: Convert to fraction form
    35,921.76/49,570.07 = 19,785.92/x
  3. Step 3: Cross multiply
    35,921.76x = 49,570.07 × 19,785.92
  4. Step 4: Simplify right side
    35,921.76x = 980,789,482.76
  5. Step 5: Solve for x
    x = 980,789,482.76/35,921.76
  6. Step 6: Final answer
    x = 27,303.49

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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.