Home / 35,730.75-49,308.45-19,817.64

Finding the Fourth Proportional to 35,730.75, 49,308.45 and 19,817.64

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Solution

The fourth proportional to 35,730.75, 49,308.45 and 19,817.64 is: 27,348.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,730.75 : 49,308.45 = 19,817.64 : x
  2. Step 2: Convert to fraction form
    35,730.75/49,308.45 = 19,817.64/x
  3. Step 3: Cross multiply
    35,730.75x = 49,308.45 × 19,817.64
  4. Step 4: Simplify right side
    35,730.75x = 977,177,111.06
  5. Step 5: Solve for x
    x = 977,177,111.06/35,730.75
  6. Step 6: Final answer
    x = 27,348.35

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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.