Home / 35,409.48-48,863.21-19,490.87

Finding the Fourth Proportional to 35,409.48, 48,863.21 and 19,490.87

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Solution

The fourth proportional to 35,409.48, 48,863.21 and 19,490.87 is: 26,896.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,409.48 : 48,863.21 = 19,490.87 : x
  2. Step 2: Convert to fraction form
    35,409.48/48,863.21 = 19,490.87/x
  3. Step 3: Cross multiply
    35,409.48x = 48,863.21 × 19,490.87
  4. Step 4: Simplify right side
    35,409.48x = 952,386,132.12
  5. Step 5: Solve for x
    x = 952,386,132.12/35,409.48
  6. Step 6: Final answer
    x = 26,896.36

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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.