Home / 35,904.36-49,551.14-21,005.16

Finding the Fourth Proportional to 35,904.36, 49,551.14 and 21,005.16

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Solution

The fourth proportional to 35,904.36, 49,551.14 and 21,005.16 is: 28,988.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,904.36 : 49,551.14 = 21,005.16 : x
  2. Step 2: Convert to fraction form
    35,904.36/49,551.14 = 21,005.16/x
  3. Step 3: Cross multiply
    35,904.36x = 49,551.14 × 21,005.16
  4. Step 4: Simplify right side
    35,904.36x = 1,040,829,623.88
  5. Step 5: Solve for x
    x = 1,040,829,623.88/35,904.36
  6. Step 6: Final answer
    x = 28,988.95

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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.