Home / 38,687.49-53,361.09-35,510.88

Finding the Fourth Proportional to 38,687.49, 53,361.09 and 35,510.88

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Solution

The fourth proportional to 38,687.49, 53,361.09 and 35,510.88 is: 48,979.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    38,687.49 : 53,361.09 = 35,510.88 : x
  2. Step 2: Convert to fraction form
    38,687.49/53,361.09 = 35,510.88/x
  3. Step 3: Cross multiply
    38,687.49x = 53,361.09 × 35,510.88
  4. Step 4: Simplify right side
    38,687.49x = 1,894,899,263.66
  5. Step 5: Solve for x
    x = 1,894,899,263.66/38,687.49
  6. Step 6: Final answer
    x = 48,979.64

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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.