Home / 35,727.72-49,307.04-19,815.28

Finding the Fourth Proportional to 35,727.72, 49,307.04 and 19,815.28

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Solution

The fourth proportional to 35,727.72, 49,307.04 and 19,815.28 is: 27,346.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,727.72 : 49,307.04 = 19,815.28 : x
  2. Step 2: Convert to fraction form
    35,727.72/49,307.04 = 19,815.28/x
  3. Step 3: Cross multiply
    35,727.72x = 49,307.04 × 19,815.28
  4. Step 4: Simplify right side
    35,727.72x = 977,032,803.57
  5. Step 5: Solve for x
    x = 977,032,803.57/35,727.72
  6. Step 6: Final answer
    x = 27,346.63

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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.