Home / 35,854.46-49,480.43-19,722.99

Finding the Fourth Proportional to 35,854.46, 49,480.43 and 19,722.99

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Solution

The fourth proportional to 35,854.46, 49,480.43 and 19,722.99 is: 27,218.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,854.46 : 49,480.43 = 19,722.99 : x
  2. Step 2: Convert to fraction form
    35,854.46/49,480.43 = 19,722.99/x
  3. Step 3: Cross multiply
    35,854.46x = 49,480.43 × 19,722.99
  4. Step 4: Simplify right side
    35,854.46x = 975,901,927.47
  5. Step 5: Solve for x
    x = 975,901,927.47/35,854.46
  6. Step 6: Final answer
    x = 27,218.43

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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.