Home / 35,660.13-49,211.75-19,528.12

Finding the Fourth Proportional to 35,660.13, 49,211.75 and 19,528.12

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Solution

The fourth proportional to 35,660.13, 49,211.75 and 19,528.12 is: 26,949.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,660.13 : 49,211.75 = 19,528.12 : x
  2. Step 2: Convert to fraction form
    35,660.13/49,211.75 = 19,528.12/x
  3. Step 3: Cross multiply
    35,660.13x = 49,211.75 × 19,528.12
  4. Step 4: Simplify right side
    35,660.13x = 961,012,959.41
  5. Step 5: Solve for x
    x = 961,012,959.41/35,660.13
  6. Step 6: Final answer
    x = 26,949.23

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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.