Home / 35,015.90-48,321.77-19,100.21

Finding the Fourth Proportional to 35,015.90, 48,321.77 and 19,100.21

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Solution

The fourth proportional to 35,015.90, 48,321.77 and 19,100.21 is: 26,358.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,015.90 : 48,321.77 = 19,100.21 : x
  2. Step 2: Convert to fraction form
    35,015.90/48,321.77 = 19,100.21/x
  3. Step 3: Cross multiply
    35,015.90x = 48,321.77 × 19,100.21
  4. Step 4: Simplify right side
    35,015.90x = 922,955,617.46
  5. Step 5: Solve for x
    x = 922,955,617.46/35,015.90
  6. Step 6: Final answer
    x = 26,358.19

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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.