Home / 35,905.74-49,548.95-19,990.19

Finding the Fourth Proportional to 35,905.74, 49,548.95 and 19,990.19

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Solution

The fourth proportional to 35,905.74, 49,548.95 and 19,990.19 is: 27,585.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,905.74 : 49,548.95 = 19,990.19 : x
  2. Step 2: Convert to fraction form
    35,905.74/49,548.95 = 19,990.19/x
  3. Step 3: Cross multiply
    35,905.74x = 49,548.95 × 19,990.19
  4. Step 4: Simplify right side
    35,905.74x = 990,492,924.80
  5. Step 5: Solve for x
    x = 990,492,924.80/35,905.74
  6. Step 6: Final answer
    x = 27,585.92

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Double scale
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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.