Home / 35,098.11-48,440.84-19,990.80

Finding the Fourth Proportional to 35,098.11, 48,440.84 and 19,990.80

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Solution

The fourth proportional to 35,098.11, 48,440.84 and 19,990.80 is: 27,590.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,098.11 : 48,440.84 = 19,990.80 : x
  2. Step 2: Convert to fraction form
    35,098.11/48,440.84 = 19,990.80/x
  3. Step 3: Cross multiply
    35,098.11x = 48,440.84 × 19,990.80
  4. Step 4: Simplify right side
    35,098.11x = 968,371,044.32
  5. Step 5: Solve for x
    x = 968,371,044.32/35,098.11
  6. Step 6: Final answer
    x = 27,590.40

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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.