Home / 35,909.76-49,550.16-19,994.40

Finding the Fourth Proportional to 35,909.76, 49,550.16 and 19,994.40

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Solution

The fourth proportional to 35,909.76, 49,550.16 and 19,994.40 is: 27,589.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,909.76 : 49,550.16 = 19,994.40 : x
  2. Step 2: Convert to fraction form
    35,909.76/49,550.16 = 19,994.40/x
  3. Step 3: Cross multiply
    35,909.76x = 49,550.16 × 19,994.40
  4. Step 4: Simplify right side
    35,909.76x = 990,725,719.10
  5. Step 5: Solve for x
    x = 990,725,719.10/35,909.76
  6. Step 6: Final answer
    x = 27,589.32

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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.