Home / 35,731.48-49,307.03-19,815.34

Finding the Fourth Proportional to 35,731.48, 49,307.03 and 19,815.34

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Solution

The fourth proportional to 35,731.48, 49,307.03 and 19,815.34 is: 27,343.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    35,731.48 : 49,307.03 = 19,815.34 : x
  2. Step 2: Convert to fraction form
    35,731.48/49,307.03 = 19,815.34/x
  3. Step 3: Cross multiply
    35,731.48x = 49,307.03 × 19,815.34
  4. Step 4: Simplify right side
    35,731.48x = 977,035,366.84
  5. Step 5: Solve for x
    x = 977,035,366.84/35,731.48
  6. Step 6: Final answer
    x = 27,343.83

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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.